Home / 8,732,612.80-13,098,919.20-8,364,030.40

Finding the Fourth Proportional to 8,732,612.80, 13,098,919.20 and 8,364,030.40

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Solution

The fourth proportional to 8,732,612.80, 13,098,919.20 and 8,364,030.40 is: 12,546,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732,612.80 : 13,098,919.20 = 8,364,030.40 : x
  2. Step 2: Convert to fraction form
    8,732,612.80/13,098,919.20 = 8,364,030.40/x
  3. Step 3: Cross multiply
    8,732,612.80x = 13,098,919.20 × 8,364,030.40
  4. Step 4: Simplify right side
    8,732,612.80x = 109,559,758,395,943.67
  5. Step 5: Solve for x
    x = 109,559,758,395,943.67/8,732,612.80
  6. Step 6: Final answer
    x = 12,546,045.60

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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.