Home / 10,890,020.10-16,335,030.15-7,488,797.70

Finding the Fourth Proportional to 10,890,020.10, 16,335,030.15 and 7,488,797.70

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Solution

The fourth proportional to 10,890,020.10, 16,335,030.15 and 7,488,797.70 is: 11,233,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,020.10 : 16,335,030.15 = 7,488,797.70 : x
  2. Step 2: Convert to fraction form
    10,890,020.10/16,335,030.15 = 7,488,797.70/x
  3. Step 3: Cross multiply
    10,890,020.10x = 16,335,030.15 × 7,488,797.70
  4. Step 4: Simplify right side
    10,890,020.10x = 122,329,736,216,750.66
  5. Step 5: Solve for x
    x = 122,329,736,216,750.66/10,890,020.10
  6. Step 6: Final answer
    x = 11,233,196.55

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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.