Home / 20,252,688.12-27,948,495.89-10,960,056.78

Finding the Fourth Proportional to 20,252,688.12, 27,948,495.89 and 10,960,056.78

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Solution

The fourth proportional to 20,252,688.12, 27,948,495.89 and 10,960,056.78 is: 15,124,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,688.12 : 27,948,495.89 = 10,960,056.78 : x
  2. Step 2: Convert to fraction form
    20,252,688.12/27,948,495.89 = 10,960,056.78/x
  3. Step 3: Cross multiply
    20,252,688.12x = 27,948,495.89 × 10,960,056.78
  4. Step 4: Simplify right side
    20,252,688.12x = 306,317,101,815,196.38
  5. Step 5: Solve for x
    x = 306,317,101,815,196.38/20,252,688.12
  6. Step 6: Final answer
    x = 15,124,762.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.