Home / 19,337,146.60-29,026,715.10-12,156,788.20

Finding the Fourth Proportional to 19,337,146.60, 29,026,715.10 and 12,156,788.20

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Solution

The fourth proportional to 19,337,146.60, 29,026,715.10 and 12,156,788.20 is: 18,248,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337,146.60 : 29,026,715.10 = 12,156,788.20 : x
  2. Step 2: Convert to fraction form
    19,337,146.60/29,026,715.10 = 12,156,788.20/x
  3. Step 3: Cross multiply
    19,337,146.60x = 29,026,715.10 × 12,156,788.20
  4. Step 4: Simplify right side
    19,337,146.60x = 352,871,627,612,441.81
  5. Step 5: Solve for x
    x = 352,871,627,612,441.81/19,337,146.60
  6. Step 6: Final answer
    x = 18,248,381.47

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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.