Home / 13,486,543.20-20,229,814.80-4,965,116.40

Finding the Fourth Proportional to 13,486,543.20, 20,229,814.80 and 4,965,116.40

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Solution

The fourth proportional to 13,486,543.20, 20,229,814.80 and 4,965,116.40 is: 7,447,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,543.20 : 20,229,814.80 = 4,965,116.40 : x
  2. Step 2: Convert to fraction form
    13,486,543.20/20,229,814.80 = 4,965,116.40/x
  3. Step 3: Cross multiply
    13,486,543.20x = 20,229,814.80 × 4,965,116.40
  4. Step 4: Simplify right side
    13,486,543.20x = 100,443,385,232,442.73
  5. Step 5: Solve for x
    x = 100,443,385,232,442.73/13,486,543.20
  6. Step 6: Final answer
    x = 7,447,674.60

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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.