Home / 10,858,882.60-16,288,323.90-7,221,464.20

Finding the Fourth Proportional to 10,858,882.60, 16,288,323.90 and 7,221,464.20

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Solution

The fourth proportional to 10,858,882.60, 16,288,323.90 and 7,221,464.20 is: 10,832,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858,882.60 : 16,288,323.90 = 7,221,464.20 : x
  2. Step 2: Convert to fraction form
    10,858,882.60/16,288,323.90 = 7,221,464.20/x
  3. Step 3: Cross multiply
    10,858,882.60x = 16,288,323.90 × 7,221,464.20
  4. Step 4: Simplify right side
    10,858,882.60x = 117,625,547,921,854.39
  5. Step 5: Solve for x
    x = 117,625,547,921,854.39/10,858,882.60
  6. Step 6: Final answer
    x = 10,832,196.30

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1.5x scale

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.