Home / 47,376,439.60-71,083,321.80-18,617,681.20

Finding the Fourth Proportional to 47,376,439.60, 71,083,321.80 and 18,617,681.20

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Solution

The fourth proportional to 47,376,439.60, 71,083,321.80 and 18,617,681.20 is: 27,933,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376,439.60 : 71,083,321.80 = 18,617,681.20 : x
  2. Step 2: Convert to fraction form
    47,376,439.60/71,083,321.80 = 18,617,681.20/x
  3. Step 3: Cross multiply
    47,376,439.60x = 71,083,321.80 × 18,617,681.20
  4. Step 4: Simplify right side
    47,376,439.60x = 1,323,406,623,909,410
  5. Step 5: Solve for x
    x = 1,323,406,623,909,410/47,376,439.60
  6. Step 6: Final answer
    x = 27,933,855.63

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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.