Home / 19,977,062.40-29,969,740.80-6,514,905.60

Finding the Fourth Proportional to 19,977,062.40, 29,969,740.80 and 6,514,905.60

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Solution

The fourth proportional to 19,977,062.40, 29,969,740.80 and 6,514,905.60 is: 9,773,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977,062.40 : 29,969,740.80 = 6,514,905.60 : x
  2. Step 2: Convert to fraction form
    19,977,062.40/29,969,740.80 = 6,514,905.60/x
  3. Step 3: Cross multiply
    19,977,062.40x = 29,969,740.80 × 6,514,905.60
  4. Step 4: Simplify right side
    19,977,062.40x = 195,250,032,168,468.47
  5. Step 5: Solve for x
    x = 195,250,032,168,468.47/19,977,062.40
  6. Step 6: Final answer
    x = 9,773,710.88

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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.