Home / 10,746,043.40-16,119,065.10-7,140,117.80

Finding the Fourth Proportional to 10,746,043.40, 16,119,065.10 and 7,140,117.80

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Solution

The fourth proportional to 10,746,043.40, 16,119,065.10 and 7,140,117.80 is: 10,710,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746,043.40 : 16,119,065.10 = 7,140,117.80 : x
  2. Step 2: Convert to fraction form
    10,746,043.40/16,119,065.10 = 7,140,117.80/x
  3. Step 3: Cross multiply
    10,746,043.40x = 16,119,065.10 × 7,140,117.80
  4. Step 4: Simplify right side
    10,746,043.40x = 115,092,023,639,868.78
  5. Step 5: Solve for x
    x = 115,092,023,639,868.78/10,746,043.40
  6. Step 6: Final answer
    x = 10,710,176.70

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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.