Home / 18,392,493.20-27,588,739.80-10,429,869.20

Finding the Fourth Proportional to 18,392,493.20, 27,588,739.80 and 10,429,869.20

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Solution

The fourth proportional to 18,392,493.20, 27,588,739.80 and 10,429,869.20 is: 15,644,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392,493.20 : 27,588,739.80 = 10,429,869.20 : x
  2. Step 2: Convert to fraction form
    18,392,493.20/27,588,739.80 = 10,429,869.20/x
  3. Step 3: Cross multiply
    18,392,493.20x = 27,588,739.80 × 10,429,869.20
  4. Step 4: Simplify right side
    18,392,493.20x = 287,746,947,506,834.12
  5. Step 5: Solve for x
    x = 287,746,947,506,834.12/18,392,493.20
  6. Step 6: Final answer
    x = 15,644,803.80

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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.