Home / 12,581,207.70-18,843,817.95-10,341,719.70

Finding the Fourth Proportional to 12,581,207.70, 18,843,817.95 and 10,341,719.70

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Solution

The fourth proportional to 12,581,207.70, 18,843,817.95 and 10,341,719.70 is: 15,489,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581,207.70 : 18,843,817.95 = 10,341,719.70 : x
  2. Step 2: Convert to fraction form
    12,581,207.70/18,843,817.95 = 10,341,719.70/x
  3. Step 3: Cross multiply
    12,581,207.70x = 18,843,817.95 × 10,341,719.70
  4. Step 4: Simplify right side
    12,581,207.70x = 194,877,483,316,728.59
  5. Step 5: Solve for x
    x = 194,877,483,316,728.59/12,581,207.70
  6. Step 6: Final answer
    x = 15,489,568.88

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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.