Home / 12,308,551.60-18,462,827.40-5,485,111.60

Finding the Fourth Proportional to 12,308,551.60, 18,462,827.40 and 5,485,111.60

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Solution

The fourth proportional to 12,308,551.60, 18,462,827.40 and 5,485,111.60 is: 8,227,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,551.60 : 18,462,827.40 = 5,485,111.60 : x
  2. Step 2: Convert to fraction form
    12,308,551.60/18,462,827.40 = 5,485,111.60/x
  3. Step 3: Cross multiply
    12,308,551.60x = 18,462,827.40 × 5,485,111.60
  4. Step 4: Simplify right side
    12,308,551.60x = 101,270,668,740,537.83
  5. Step 5: Solve for x
    x = 101,270,668,740,537.83/12,308,551.60
  6. Step 6: Final answer
    x = 8,227,667.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.