Home / 19,399,838.30-29,102,008.68-6,447,144.91

Finding the Fourth Proportional to 19,399,838.30, 29,102,008.68 and 6,447,144.91

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Solution

The fourth proportional to 19,399,838.30, 29,102,008.68 and 6,447,144.91 is: 9,671,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399,838.30 : 29,102,008.68 = 6,447,144.91 : x
  2. Step 2: Convert to fraction form
    19,399,838.30/29,102,008.68 = 6,447,144.91/x
  3. Step 3: Cross multiply
    19,399,838.30x = 29,102,008.68 × 6,447,144.91
  4. Step 4: Simplify right side
    19,399,838.30x = 187,624,867,132,037.81
  5. Step 5: Solve for x
    x = 187,624,867,132,037.81/19,399,838.30
  6. Step 6: Final answer
    x = 9,671,465.52

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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.