Home / 8,516,411.60-12,774,617.40-8,012,526.80

Finding the Fourth Proportional to 8,516,411.60, 12,774,617.40 and 8,012,526.80

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Solution

The fourth proportional to 8,516,411.60, 12,774,617.40 and 8,012,526.80 is: 12,018,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,411.60 : 12,774,617.40 = 8,012,526.80 : x
  2. Step 2: Convert to fraction form
    8,516,411.60/12,774,617.40 = 8,012,526.80/x
  3. Step 3: Cross multiply
    8,516,411.60x = 12,774,617.40 × 8,012,526.80
  4. Step 4: Simplify right side
    8,516,411.60x = 102,356,964,277,246.33
  5. Step 5: Solve for x
    x = 102,356,964,277,246.33/8,516,411.60
  6. Step 6: Final answer
    x = 12,018,790.20

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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.