Home / 21,711,930.40-32,567,895.60-21,376,007.20

Finding the Fourth Proportional to 21,711,930.40, 32,567,895.60 and 21,376,007.20

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Solution

The fourth proportional to 21,711,930.40, 32,567,895.60 and 21,376,007.20 is: 32,064,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711,930.40 : 32,567,895.60 = 21,376,007.20 : x
  2. Step 2: Convert to fraction form
    21,711,930.40/32,567,895.60 = 21,376,007.20/x
  3. Step 3: Cross multiply
    21,711,930.40x = 32,567,895.60 × 21,376,007.20
  4. Step 4: Simplify right side
    21,711,930.40x = 696,171,570,834,448.38
  5. Step 5: Solve for x
    x = 696,171,570,834,448.38/21,711,930.40
  6. Step 6: Final answer
    x = 32,064,010.80

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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.