Home / 31,520,802.44-43,499,789.02-18,288,980.18

Finding the Fourth Proportional to 31,520,802.44, 43,499,789.02 and 18,288,980.18

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Solution

The fourth proportional to 31,520,802.44, 43,499,789.02 and 18,288,980.18 is: 25,239,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520,802.44 : 43,499,789.02 = 18,288,980.18 : x
  2. Step 2: Convert to fraction form
    31,520,802.44/43,499,789.02 = 18,288,980.18/x
  3. Step 3: Cross multiply
    31,520,802.44x = 43,499,789.02 × 18,288,980.18
  4. Step 4: Simplify right side
    31,520,802.44x = 795,566,779,283,988.62
  5. Step 5: Solve for x
    x = 795,566,779,283,988.62/31,520,802.44
  6. Step 6: Final answer
    x = 25,239,420.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.