Home / 7,129,041.30-10,693,561.95-6,877,098.90

Finding the Fourth Proportional to 7,129,041.30, 10,693,561.95 and 6,877,098.90

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Solution

The fourth proportional to 7,129,041.30, 10,693,561.95 and 6,877,098.90 is: 10,315,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,041.30 : 10,693,561.95 = 6,877,098.90 : x
  2. Step 2: Convert to fraction form
    7,129,041.30/10,693,561.95 = 6,877,098.90/x
  3. Step 3: Cross multiply
    7,129,041.30x = 10,693,561.95 × 6,877,098.90
  4. Step 4: Simplify right side
    7,129,041.30x = 73,540,683,123,426.86
  5. Step 5: Solve for x
    x = 73,540,683,123,426.86/7,129,041.30
  6. Step 6: Final answer
    x = 10,315,648.35

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Double scale
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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.