Home / 28,072,719.90-38,719,021.95-24,158,985.12

Finding the Fourth Proportional to 28,072,719.90, 38,719,021.95 and 24,158,985.12

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Solution

The fourth proportional to 28,072,719.90, 38,719,021.95 and 24,158,985.12 is: 33,321,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,719.90 : 38,719,021.95 = 24,158,985.12 : x
  2. Step 2: Convert to fraction form
    28,072,719.90/38,719,021.95 = 24,158,985.12/x
  3. Step 3: Cross multiply
    28,072,719.90x = 38,719,021.95 × 24,158,985.12
  4. Step 4: Simplify right side
    28,072,719.90x = 935,412,275,151,003.50
  5. Step 5: Solve for x
    x = 935,412,275,151,003.50/28,072,719.90
  6. Step 6: Final answer
    x = 33,321,041.87

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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.