Home / 15,978,047.30-23,967,070.95-13,320,842.30

Finding the Fourth Proportional to 15,978,047.30, 23,967,070.95 and 13,320,842.30

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Solution

The fourth proportional to 15,978,047.30, 23,967,070.95 and 13,320,842.30 is: 19,981,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,047.30 : 23,967,070.95 = 13,320,842.30 : x
  2. Step 2: Convert to fraction form
    15,978,047.30/23,967,070.95 = 13,320,842.30/x
  3. Step 3: Cross multiply
    15,978,047.30x = 23,967,070.95 × 13,320,842.30
  4. Step 4: Simplify right side
    15,978,047.30x = 319,261,572,517,861.19
  5. Step 5: Solve for x
    x = 319,261,572,517,861.19/15,978,047.30
  6. Step 6: Final answer
    x = 19,981,263.45

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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.