Home / 10,452,905.40-15,679,358.10-8,300,569.35

Finding the Fourth Proportional to 10,452,905.40, 15,679,358.10 and 8,300,569.35

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Solution

The fourth proportional to 10,452,905.40, 15,679,358.10 and 8,300,569.35 is: 12,450,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452,905.40 : 15,679,358.10 = 8,300,569.35 : x
  2. Step 2: Convert to fraction form
    10,452,905.40/15,679,358.10 = 8,300,569.35/x
  3. Step 3: Cross multiply
    10,452,905.40x = 15,679,358.10 × 8,300,569.35
  4. Step 4: Simplify right side
    10,452,905.40x = 130,147,599,272,534.22
  5. Step 5: Solve for x
    x = 130,147,599,272,534.22/10,452,905.40
  6. Step 6: Final answer
    x = 12,450,854.03

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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.