Home / 15,700,278.72-23,550,399.12-4,918,419.36

Finding the Fourth Proportional to 15,700,278.72, 23,550,399.12 and 4,918,419.36

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Solution

The fourth proportional to 15,700,278.72, 23,550,399.12 and 4,918,419.36 is: 7,377,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700,278.72 : 23,550,399.12 = 4,918,419.36 : x
  2. Step 2: Convert to fraction form
    15,700,278.72/23,550,399.12 = 4,918,419.36/x
  3. Step 3: Cross multiply
    15,700,278.72x = 23,550,399.12 × 4,918,419.36
  4. Step 4: Simplify right side
    15,700,278.72x = 115,830,738,967,534.97
  5. Step 5: Solve for x
    x = 115,830,738,967,534.97/15,700,278.72
  6. Step 6: Final answer
    x = 7,377,623.10

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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.