Home / 13,142,661.60-19,713,992.40-9,316,286.40

Finding the Fourth Proportional to 13,142,661.60, 19,713,992.40 and 9,316,286.40

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Solution

The fourth proportional to 13,142,661.60, 19,713,992.40 and 9,316,286.40 is: 13,974,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,661.60 : 19,713,992.40 = 9,316,286.40 : x
  2. Step 2: Convert to fraction form
    13,142,661.60/19,713,992.40 = 9,316,286.40/x
  3. Step 3: Cross multiply
    13,142,661.60x = 19,713,992.40 × 9,316,286.40
  4. Step 4: Simplify right side
    13,142,661.60x = 183,661,199,285,823.34
  5. Step 5: Solve for x
    x = 183,661,199,285,823.34/13,142,661.60
  6. Step 6: Final answer
    x = 13,974,429.60

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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.