Home / 27,779,089.83-38,337,499.02-15,393,068.63

Finding the Fourth Proportional to 27,779,089.83, 38,337,499.02 and 15,393,068.63

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Solution

The fourth proportional to 27,779,089.83, 38,337,499.02 and 15,393,068.63 is: 21,243,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779,089.83 : 38,337,499.02 = 15,393,068.63 : x
  2. Step 2: Convert to fraction form
    27,779,089.83/38,337,499.02 = 15,393,068.63/x
  3. Step 3: Cross multiply
    27,779,089.83x = 38,337,499.02 × 15,393,068.63
  4. Step 4: Simplify right side
    27,779,089.83x = 590,131,753,517,417.88
  5. Step 5: Solve for x
    x = 590,131,753,517,417.88/27,779,089.83
  6. Step 6: Final answer
    x = 21,243,739.70

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Double scale
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1.5x scale

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.