Home / 21,302,402.90-31,953,604.35-9,943,999.70

Finding the Fourth Proportional to 21,302,402.90, 31,953,604.35 and 9,943,999.70

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Solution

The fourth proportional to 21,302,402.90, 31,953,604.35 and 9,943,999.70 is: 14,915,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,402.90 : 31,953,604.35 = 9,943,999.70 : x
  2. Step 2: Convert to fraction form
    21,302,402.90/31,953,604.35 = 9,943,999.70/x
  3. Step 3: Cross multiply
    21,302,402.90x = 31,953,604.35 × 9,943,999.70
  4. Step 4: Simplify right side
    21,302,402.90x = 317,746,632,070,318.69
  5. Step 5: Solve for x
    x = 317,746,632,070,318.69/21,302,402.90
  6. Step 6: Final answer
    x = 14,915,999.55

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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.