Home / 8,093,934.30-12,140,901.45-7,478,075.10

Finding the Fourth Proportional to 8,093,934.30, 12,140,901.45 and 7,478,075.10

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Solution

The fourth proportional to 8,093,934.30, 12,140,901.45 and 7,478,075.10 is: 11,217,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,934.30 : 12,140,901.45 = 7,478,075.10 : x
  2. Step 2: Convert to fraction form
    8,093,934.30/12,140,901.45 = 7,478,075.10/x
  3. Step 3: Cross multiply
    8,093,934.30x = 12,140,901.45 × 7,478,075.10
  4. Step 4: Simplify right side
    8,093,934.30x = 90,790,572,824,798.89
  5. Step 5: Solve for x
    x = 90,790,572,824,798.89/8,093,934.30
  6. Step 6: Final answer
    x = 11,217,112.65

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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.