Home / 9,412,585.09-12,990,670.45-5,282,862.05

Finding the Fourth Proportional to 9,412,585.09, 12,990,670.45 and 5,282,862.05

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Solution

The fourth proportional to 9,412,585.09, 12,990,670.45 and 5,282,862.05 is: 7,291,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412,585.09 : 12,990,670.45 = 5,282,862.05 : x
  2. Step 2: Convert to fraction form
    9,412,585.09/12,990,670.45 = 5,282,862.05/x
  3. Step 3: Cross multiply
    9,412,585.09x = 12,990,670.45 × 5,282,862.05
  4. Step 4: Simplify right side
    9,412,585.09x = 68,627,919,943,630.95
  5. Step 5: Solve for x
    x = 68,627,919,943,630.95/9,412,585.09
  6. Step 6: Final answer
    x = 7,291,080.96

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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.