Home / 9,390,643.20-14,085,964.80-2,659,057.20

Finding the Fourth Proportional to 9,390,643.20, 14,085,964.80 and 2,659,057.20

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Solution

The fourth proportional to 9,390,643.20, 14,085,964.80 and 2,659,057.20 is: 3,988,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390,643.20 : 14,085,964.80 = 2,659,057.20 : x
  2. Step 2: Convert to fraction form
    9,390,643.20/14,085,964.80 = 2,659,057.20/x
  3. Step 3: Cross multiply
    9,390,643.20x = 14,085,964.80 × 2,659,057.20
  4. Step 4: Simplify right side
    9,390,643.20x = 37,455,386,120,386.56
  5. Step 5: Solve for x
    x = 37,455,386,120,386.56/9,390,643.20
  6. Step 6: Final answer
    x = 3,988,585.80

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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.