Home / 21,283,472.40-31,925,208.60-14,900,931.60

Finding the Fourth Proportional to 21,283,472.40, 31,925,208.60 and 14,900,931.60

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Solution

The fourth proportional to 21,283,472.40, 31,925,208.60 and 14,900,931.60 is: 22,351,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283,472.40 : 31,925,208.60 = 14,900,931.60 : x
  2. Step 2: Convert to fraction form
    21,283,472.40/31,925,208.60 = 14,900,931.60/x
  3. Step 3: Cross multiply
    21,283,472.40x = 31,925,208.60 × 14,900,931.60
  4. Step 4: Simplify right side
    21,283,472.40x = 475,715,349,664,331.75
  5. Step 5: Solve for x
    x = 475,715,349,664,331.75/21,283,472.40
  6. Step 6: Final answer
    x = 22,351,397.40

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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.