Home / 42,140,284.59-63,210,426.90-11,848,147.59

Finding the Fourth Proportional to 42,140,284.59, 63,210,426.90 and 11,848,147.59

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Solution

The fourth proportional to 42,140,284.59, 63,210,426.90 and 11,848,147.59 is: 17,772,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140,284.59 : 63,210,426.90 = 11,848,147.59 : x
  2. Step 2: Convert to fraction form
    42,140,284.59/63,210,426.90 = 11,848,147.59/x
  3. Step 3: Cross multiply
    42,140,284.59x = 63,210,426.90 × 11,848,147.59
  4. Step 4: Simplify right side
    42,140,284.59x = 748,926,467,138,106.12
  5. Step 5: Solve for x
    x = 748,926,467,138,106.12/42,140,284.59
  6. Step 6: Final answer
    x = 17,772,221.39

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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.