Home / 12,544,063.60-18,816,095.40-7,434,713.20

Finding the Fourth Proportional to 12,544,063.60, 18,816,095.40 and 7,434,713.20

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Solution

The fourth proportional to 12,544,063.60, 18,816,095.40 and 7,434,713.20 is: 11,152,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,063.60 : 18,816,095.40 = 7,434,713.20 : x
  2. Step 2: Convert to fraction form
    12,544,063.60/18,816,095.40 = 7,434,713.20/x
  3. Step 3: Cross multiply
    12,544,063.60x = 18,816,095.40 × 7,434,713.20
  4. Step 4: Simplify right side
    12,544,063.60x = 139,892,272,842,839.27
  5. Step 5: Solve for x
    x = 139,892,272,842,839.27/12,544,063.60
  6. Step 6: Final answer
    x = 11,152,069.80

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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.