Home / 42,612,493.40-63,944,984.10-18,363,037.40

Finding the Fourth Proportional to 42,612,493.40, 63,944,984.10 and 18,363,037.40

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Solution

The fourth proportional to 42,612,493.40, 63,944,984.10 and 18,363,037.40 is: 27,555,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612,493.40 : 63,944,984.10 = 18,363,037.40 : x
  2. Step 2: Convert to fraction form
    42,612,493.40/63,944,984.10 = 18,363,037.40/x
  3. Step 3: Cross multiply
    42,612,493.40x = 63,944,984.10 × 18,363,037.40
  4. Step 4: Simplify right side
    42,612,493.40x = 1,174,224,134,570,705.25
  5. Step 5: Solve for x
    x = 1,174,224,134,570,705.25/42,612,493.40
  6. Step 6: Final answer
    x = 27,555,865.45

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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.