Home / 10,868,326.20-16,221,103.65-10,688,947.92

Finding the Fourth Proportional to 10,868,326.20, 16,221,103.65 and 10,688,947.92

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Solution

The fourth proportional to 10,868,326.20, 16,221,103.65 and 10,688,947.92 is: 15,953,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,326.20 : 16,221,103.65 = 10,688,947.92 : x
  2. Step 2: Convert to fraction form
    10,868,326.20/16,221,103.65 = 10,688,947.92/x
  3. Step 3: Cross multiply
    10,868,326.20x = 16,221,103.65 × 10,688,947.92
  4. Step 4: Simplify right side
    10,868,326.20x = 173,386,532,119,771.91
  5. Step 5: Solve for x
    x = 173,386,532,119,771.91/10,868,326.20
  6. Step 6: Final answer
    x = 15,953,379.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.