Home / 21,302,003.90-31,953,005.85-9,943,600.70

Finding the Fourth Proportional to 21,302,003.90, 31,953,005.85 and 9,943,600.70

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Solution

The fourth proportional to 21,302,003.90, 31,953,005.85 and 9,943,600.70 is: 14,915,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,003.90 : 31,953,005.85 = 9,943,600.70 : x
  2. Step 2: Convert to fraction form
    21,302,003.90/31,953,005.85 = 9,943,600.70/x
  3. Step 3: Cross multiply
    21,302,003.90x = 31,953,005.85 × 9,943,600.70
  4. Step 4: Simplify right side
    21,302,003.90x = 317,727,931,337,164.06
  5. Step 5: Solve for x
    x = 317,727,931,337,164.06/21,302,003.90
  6. Step 6: Final answer
    x = 14,915,401.05

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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.