Home / 15,003,079.20-22,495,929.12-13,209,564.24

Finding the Fourth Proportional to 15,003,079.20, 22,495,929.12 and 13,209,564.24

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Solution

The fourth proportional to 15,003,079.20, 22,495,929.12 and 13,209,564.24 is: 19,806,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003,079.20 : 22,495,929.12 = 13,209,564.24 : x
  2. Step 2: Convert to fraction form
    15,003,079.20/22,495,929.12 = 13,209,564.24/x
  3. Step 3: Cross multiply
    15,003,079.20x = 22,495,929.12 × 13,209,564.24
  4. Step 4: Simplify right side
    15,003,079.20x = 297,161,420,849,126.69
  5. Step 5: Solve for x
    x = 297,161,420,849,126.69/15,003,079.20
  6. Step 6: Final answer
    x = 19,806,695.47

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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.