Home / 8,758,763.40-13,138,145.10-6,351,313.80

Finding the Fourth Proportional to 8,758,763.40, 13,138,145.10 and 6,351,313.80

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Solution

The fourth proportional to 8,758,763.40, 13,138,145.10 and 6,351,313.80 is: 9,526,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758,763.40 : 13,138,145.10 = 6,351,313.80 : x
  2. Step 2: Convert to fraction form
    8,758,763.40/13,138,145.10 = 6,351,313.80/x
  3. Step 3: Cross multiply
    8,758,763.40x = 13,138,145.10 × 6,351,313.80
  4. Step 4: Simplify right side
    8,758,763.40x = 83,444,482,280,032.38
  5. Step 5: Solve for x
    x = 83,444,482,280,032.38/8,758,763.40
  6. Step 6: Final answer
    x = 9,526,970.70

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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.