Home / 12,944,856.60-17,870,618.55-9,456,278.61

Finding the Fourth Proportional to 12,944,856.60, 17,870,618.55 and 9,456,278.61

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Solution

The fourth proportional to 12,944,856.60, 17,870,618.55 and 9,456,278.61 is: 13,054,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,856.60 : 17,870,618.55 = 9,456,278.61 : x
  2. Step 2: Convert to fraction form
    12,944,856.60/17,870,618.55 = 9,456,278.61/x
  3. Step 3: Cross multiply
    12,944,856.60x = 17,870,618.55 × 9,456,278.61
  4. Step 4: Simplify right side
    12,944,856.60x = 168,989,547,941,834.22
  5. Step 5: Solve for x
    x = 168,989,547,941,834.22/12,944,856.60
  6. Step 6: Final answer
    x = 13,054,570.87

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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.