Home / 20,335,050.45-28,062,336.60-11,167,693.20

Finding the Fourth Proportional to 20,335,050.45, 28,062,336.60 and 11,167,693.20

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Solution

The fourth proportional to 20,335,050.45, 28,062,336.60 and 11,167,693.20 is: 15,411,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335,050.45 : 28,062,336.60 = 11,167,693.20 : x
  2. Step 2: Convert to fraction form
    20,335,050.45/28,062,336.60 = 11,167,693.20/x
  3. Step 3: Cross multiply
    20,335,050.45x = 28,062,336.60 × 11,167,693.20
  4. Step 4: Simplify right side
    20,335,050.45x = 313,391,565,623,931.12
  5. Step 5: Solve for x
    x = 313,391,565,623,931.12/20,335,050.45
  6. Step 6: Final answer
    x = 15,411,398.48

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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.