Home / 7,776,005.60-11,664,008.40-7,421,711.60

Finding the Fourth Proportional to 7,776,005.60, 11,664,008.40 and 7,421,711.60

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Solution

The fourth proportional to 7,776,005.60, 11,664,008.40 and 7,421,711.60 is: 11,132,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,005.60 : 11,664,008.40 = 7,421,711.60 : x
  2. Step 2: Convert to fraction form
    7,776,005.60/11,664,008.40 = 7,421,711.60/x
  3. Step 3: Cross multiply
    7,776,005.60x = 11,664,008.40 × 7,421,711.60
  4. Step 4: Simplify right side
    7,776,005.60x = 86,566,906,444,777.44
  5. Step 5: Solve for x
    x = 86,566,906,444,777.44/7,776,005.60
  6. Step 6: Final answer
    x = 11,132,567.40

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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.