Home / 19,287,479.52-28,930,092.12-14,105,337.84

Finding the Fourth Proportional to 19,287,479.52, 28,930,092.12 and 14,105,337.84

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Solution

The fourth proportional to 19,287,479.52, 28,930,092.12 and 14,105,337.84 is: 21,157,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287,479.52 : 28,930,092.12 = 14,105,337.84 : x
  2. Step 2: Convert to fraction form
    19,287,479.52/28,930,092.12 = 14,105,337.84/x
  3. Step 3: Cross multiply
    19,287,479.52x = 28,930,092.12 × 14,105,337.84
  4. Step 4: Simplify right side
    19,287,479.52x = 408,068,723,094,921.81
  5. Step 5: Solve for x
    x = 408,068,723,094,921.81/19,287,479.52
  6. Step 6: Final answer
    x = 21,157,182.44

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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.