Home / 42,228,072.30-63,342,108.45-13,477,114.20

Finding the Fourth Proportional to 42,228,072.30, 63,342,108.45 and 13,477,114.20

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Solution

The fourth proportional to 42,228,072.30, 63,342,108.45 and 13,477,114.20 is: 20,215,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228,072.30 : 63,342,108.45 = 13,477,114.20 : x
  2. Step 2: Convert to fraction form
    42,228,072.30/63,342,108.45 = 13,477,114.20/x
  3. Step 3: Cross multiply
    42,228,072.30x = 63,342,108.45 × 13,477,114.20
  4. Step 4: Simplify right side
    42,228,072.30x = 853,668,829,249,435
  5. Step 5: Solve for x
    x = 853,668,829,249,435/42,228,072.30
  6. Step 6: Final answer
    x = 20,215,671.30

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Double scale
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Similar ratio
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1.5x scale

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.