Home / 19,136,715.76-28,705,073.64-13,134,887.92

Finding the Fourth Proportional to 19,136,715.76, 28,705,073.64 and 13,134,887.92

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Solution

The fourth proportional to 19,136,715.76, 28,705,073.64 and 13,134,887.92 is: 19,702,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136,715.76 : 28,705,073.64 = 13,134,887.92 : x
  2. Step 2: Convert to fraction form
    19,136,715.76/28,705,073.64 = 13,134,887.92/x
  3. Step 3: Cross multiply
    19,136,715.76x = 28,705,073.64 × 13,134,887.92
  4. Step 4: Simplify right side
    19,136,715.76x = 377,037,924,996,746.44
  5. Step 5: Solve for x
    x = 377,037,924,996,746.44/19,136,715.76
  6. Step 6: Final answer
    x = 19,702,331.88

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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.