Home / 20,346,548.18-28,071,291.56-12,608,767.22

Finding the Fourth Proportional to 20,346,548.18, 28,071,291.56 and 12,608,767.22

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Solution

The fourth proportional to 20,346,548.18, 28,071,291.56 and 12,608,767.22 is: 17,395,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,548.18 : 28,071,291.56 = 12,608,767.22 : x
  2. Step 2: Convert to fraction form
    20,346,548.18/28,071,291.56 = 12,608,767.22/x
  3. Step 3: Cross multiply
    20,346,548.18x = 28,071,291.56 × 12,608,767.22
  4. Step 4: Simplify right side
    20,346,548.18x = 353,944,380,641,390.38
  5. Step 5: Solve for x
    x = 353,944,380,641,390.38/20,346,548.18
  6. Step 6: Final answer
    x = 17,395,794.98

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1.5x scale

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.