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Finding the Fourth Proportional to 14,681,520.90, 22,022,281.35 and 14,681,520.90

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Solution

The fourth proportional to 14,681,520.90, 22,022,281.35 and 14,681,520.90 is: 22,022,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681,520.90 : 22,022,281.35 = 14,681,520.90 : x
  2. Step 2: Convert to fraction form
    14,681,520.90/22,022,281.35 = 14,681,520.90/x
  3. Step 3: Cross multiply
    14,681,520.90x = 22,022,281.35 × 14,681,520.90
  4. Step 4: Simplify right side
    14,681,520.90x = 323,320,583,905,705.25
  5. Step 5: Solve for x
    x = 323,320,583,905,705.25/14,681,520.90
  6. Step 6: Final answer
    x = 22,022,281.35

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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.