Home / 18,829,818.30-28,244,727.45-13,329,404.10

Finding the Fourth Proportional to 18,829,818.30, 28,244,727.45 and 13,329,404.10

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Solution

The fourth proportional to 18,829,818.30, 28,244,727.45 and 13,329,404.10 is: 19,994,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829,818.30 : 28,244,727.45 = 13,329,404.10 : x
  2. Step 2: Convert to fraction form
    18,829,818.30/28,244,727.45 = 13,329,404.10/x
  3. Step 3: Cross multiply
    18,829,818.30x = 28,244,727.45 × 13,329,404.10
  4. Step 4: Simplify right side
    18,829,818.30x = 376,485,385,875,412.50
  5. Step 5: Solve for x
    x = 376,485,385,875,412.50/18,829,818.30
  6. Step 6: Final answer
    x = 19,994,106.15

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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.