Home / 18,290,770.38-25,242,397.74-10,142,008.38

Finding the Fourth Proportional to 18,290,770.38, 25,242,397.74 and 10,142,008.38

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Solution

The fourth proportional to 18,290,770.38, 25,242,397.74 and 10,142,008.38 is: 13,996,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290,770.38 : 25,242,397.74 = 10,142,008.38 : x
  2. Step 2: Convert to fraction form
    18,290,770.38/25,242,397.74 = 10,142,008.38/x
  3. Step 3: Cross multiply
    18,290,770.38x = 25,242,397.74 × 10,142,008.38
  4. Step 4: Simplify right side
    18,290,770.38x = 256,008,609,410,373.06
  5. Step 5: Solve for x
    x = 256,008,609,410,373.06/18,290,770.38
  6. Step 6: Final answer
    x = 13,996,600.69

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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.