Home / 9,478,439.88-13,080,207.22-5,127,515.32

Finding the Fourth Proportional to 9,478,439.88, 13,080,207.22 and 5,127,515.32

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Solution

The fourth proportional to 9,478,439.88, 13,080,207.22 and 5,127,515.32 is: 7,075,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,439.88 : 13,080,207.22 = 5,127,515.32 : x
  2. Step 2: Convert to fraction form
    9,478,439.88/13,080,207.22 = 5,127,515.32/x
  3. Step 3: Cross multiply
    9,478,439.88x = 13,080,207.22 × 5,127,515.32
  4. Step 4: Simplify right side
    9,478,439.88x = 67,068,962,909,324.62
  5. Step 5: Solve for x
    x = 67,068,962,909,324.62/9,478,439.88
  6. Step 6: Final answer
    x = 7,075,949.60

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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.