Home / 20,181,124.14-30,253,681.53-7,398,643.74

Finding the Fourth Proportional to 20,181,124.14, 30,253,681.53 and 7,398,643.74

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Solution

The fourth proportional to 20,181,124.14, 30,253,681.53 and 7,398,643.74 is: 11,091,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,124.14 : 30,253,681.53 = 7,398,643.74 : x
  2. Step 2: Convert to fraction form
    20,181,124.14/30,253,681.53 = 7,398,643.74/x
  3. Step 3: Cross multiply
    20,181,124.14x = 30,253,681.53 × 7,398,643.74
  4. Step 4: Simplify right side
    20,181,124.14x = 223,836,211,463,888.12
  5. Step 5: Solve for x
    x = 223,836,211,463,888.12/20,181,124.14
  6. Step 6: Final answer
    x = 11,091,364.88

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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.