Home / 8,932,064.40-13,398,096.60-5,142,430.80

Finding the Fourth Proportional to 8,932,064.40, 13,398,096.60 and 5,142,430.80

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Solution

The fourth proportional to 8,932,064.40, 13,398,096.60 and 5,142,430.80 is: 7,713,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932,064.40 : 13,398,096.60 = 5,142,430.80 : x
  2. Step 2: Convert to fraction form
    8,932,064.40/13,398,096.60 = 5,142,430.80/x
  3. Step 3: Cross multiply
    8,932,064.40x = 13,398,096.60 × 5,142,430.80
  4. Step 4: Simplify right side
    8,932,064.40x = 68,898,784,617,215.27
  5. Step 5: Solve for x
    x = 68,898,784,617,215.27/8,932,064.40
  6. Step 6: Final answer
    x = 7,713,646.20

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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.