Home / 19,165,729.40-28,748,594.10-17,780,046.20

Finding the Fourth Proportional to 19,165,729.40, 28,748,594.10 and 17,780,046.20

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Solution

The fourth proportional to 19,165,729.40, 28,748,594.10 and 17,780,046.20 is: 26,670,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165,729.40 : 28,748,594.10 = 17,780,046.20 : x
  2. Step 2: Convert to fraction form
    19,165,729.40/28,748,594.10 = 17,780,046.20/x
  3. Step 3: Cross multiply
    19,165,729.40x = 28,748,594.10 × 17,780,046.20
  4. Step 4: Simplify right side
    19,165,729.40x = 511,151,331,283,047.44
  5. Step 5: Solve for x
    x = 511,151,331,283,047.44/19,165,729.40
  6. Step 6: Final answer
    x = 26,670,069.30

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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.