Home / 19,337,149.10-29,026,718.85-12,156,790.70

Finding the Fourth Proportional to 19,337,149.10, 29,026,718.85 and 12,156,790.70

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Solution

The fourth proportional to 19,337,149.10, 29,026,718.85 and 12,156,790.70 is: 18,248,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337,149.10 : 29,026,718.85 = 12,156,790.70 : x
  2. Step 2: Convert to fraction form
    19,337,149.10/29,026,718.85 = 12,156,790.70/x
  3. Step 3: Cross multiply
    19,337,149.10x = 29,026,718.85 × 12,156,790.70
  4. Step 4: Simplify right side
    19,337,149.10x = 352,871,745,767,194.69
  5. Step 5: Solve for x
    x = 352,871,745,767,194.69/19,337,149.10
  6. Step 6: Final answer
    x = 18,248,385.22

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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.