Home / 42,127,777.72-63,193,854.66-13,376,164.60

Finding the Fourth Proportional to 42,127,777.72, 63,193,854.66 and 13,376,164.60

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Solution

The fourth proportional to 42,127,777.72, 63,193,854.66 and 13,376,164.60 is: 20,064,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127,777.72 : 63,193,854.66 = 13,376,164.60 : x
  2. Step 2: Convert to fraction form
    42,127,777.72/63,193,854.66 = 13,376,164.60/x
  3. Step 3: Cross multiply
    42,127,777.72x = 63,193,854.66 × 13,376,164.60
  4. Step 4: Simplify right side
    42,127,777.72x = 845,291,401,640,637
  5. Step 5: Solve for x
    x = 845,291,401,640,637/42,127,777.72
  6. Step 6: Final answer
    x = 20,064,941.65

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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.