Home / 9,120,186.40-12,584,750.88-5,253,959.20

Finding the Fourth Proportional to 9,120,186.40, 12,584,750.88 and 5,253,959.20

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Solution

The fourth proportional to 9,120,186.40, 12,584,750.88 and 5,253,959.20 is: 7,249,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,186.40 : 12,584,750.88 = 5,253,959.20 : x
  2. Step 2: Convert to fraction form
    9,120,186.40/12,584,750.88 = 5,253,959.20/x
  3. Step 3: Cross multiply
    9,120,186.40x = 12,584,750.88 × 5,253,959.20
  4. Step 4: Simplify right side
    9,120,186.40x = 66,119,767,665,684.10
  5. Step 5: Solve for x
    x = 66,119,767,665,684.10/9,120,186.40
  6. Step 6: Final answer
    x = 7,249,826.35

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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.