Home / 19,584,460.80-29,386,346.40-8,809,387.20

Finding the Fourth Proportional to 19,584,460.80, 29,386,346.40 and 8,809,387.20

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Solution

The fourth proportional to 19,584,460.80, 29,386,346.40 and 8,809,387.20 is: 13,218,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584,460.80 : 29,386,346.40 = 8,809,387.20 : x
  2. Step 2: Convert to fraction form
    19,584,460.80/29,386,346.40 = 8,809,387.20/x
  3. Step 3: Cross multiply
    19,584,460.80x = 29,386,346.40 × 8,809,387.20
  4. Step 4: Simplify right side
    19,584,460.80x = 258,875,703,830,926.03
  5. Step 5: Solve for x
    x = 258,875,703,830,926.03/19,584,460.80
  6. Step 6: Final answer
    x = 13,218,423.86

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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.