Home / 28,098,882.18-42,147,710.91-12,952,813.68

Finding the Fourth Proportional to 28,098,882.18, 42,147,710.91 and 12,952,813.68

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Solution

The fourth proportional to 28,098,882.18, 42,147,710.91 and 12,952,813.68 is: 19,428,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098,882.18 : 42,147,710.91 = 12,952,813.68 : x
  2. Step 2: Convert to fraction form
    28,098,882.18/42,147,710.91 = 12,952,813.68/x
  3. Step 3: Cross multiply
    28,098,882.18x = 42,147,710.91 × 12,952,813.68
  4. Step 4: Simplify right side
    28,098,882.18x = 545,931,446,455,733.19
  5. Step 5: Solve for x
    x = 545,931,446,455,733.19/28,098,882.18
  6. Step 6: Final answer
    x = 19,428,938.24

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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.