Home / 9,008,242.20-12,431,245.98-5,141,988.12

Finding the Fourth Proportional to 9,008,242.20, 12,431,245.98 and 5,141,988.12

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Solution

The fourth proportional to 9,008,242.20, 12,431,245.98 and 5,141,988.12 is: 7,095,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008,242.20 : 12,431,245.98 = 5,141,988.12 : x
  2. Step 2: Convert to fraction form
    9,008,242.20/12,431,245.98 = 5,141,988.12/x
  3. Step 3: Cross multiply
    9,008,242.20x = 12,431,245.98 × 5,141,988.12
  4. Step 4: Simplify right side
    9,008,242.20x = 63,921,319,145,957.76
  5. Step 5: Solve for x
    x = 63,921,319,145,957.76/9,008,242.20
  6. Step 6: Final answer
    x = 7,095,870.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.