Home / 19,584,341.20-29,376,511.80-6,121,147.60

Finding the Fourth Proportional to 19,584,341.20, 29,376,511.80 and 6,121,147.60

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Solution

The fourth proportional to 19,584,341.20, 29,376,511.80 and 6,121,147.60 is: 9,181,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584,341.20 : 29,376,511.80 = 6,121,147.60 : x
  2. Step 2: Convert to fraction form
    19,584,341.20/29,376,511.80 = 6,121,147.60/x
  3. Step 3: Cross multiply
    19,584,341.20x = 29,376,511.80 × 6,121,147.60
  4. Step 4: Simplify right side
    19,584,341.20x = 179,817,964,700,941.69
  5. Step 5: Solve for x
    x = 179,817,964,700,941.69/19,584,341.20
  6. Step 6: Final answer
    x = 9,181,721.40

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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.