Home / 13,333,848.20-18,400,711.13-7,222,276.70

Finding the Fourth Proportional to 13,333,848.20, 18,400,711.13 and 7,222,276.70

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Solution

The fourth proportional to 13,333,848.20, 18,400,711.13 and 7,222,276.70 is: 9,966,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,848.20 : 18,400,711.13 = 7,222,276.70 : x
  2. Step 2: Convert to fraction form
    13,333,848.20/18,400,711.13 = 7,222,276.70/x
  3. Step 3: Cross multiply
    13,333,848.20x = 18,400,711.13 × 7,222,276.70
  4. Step 4: Simplify right side
    13,333,848.20x = 132,895,027,129,514.73
  5. Step 5: Solve for x
    x = 132,895,027,129,514.73/13,333,848.20
  6. Step 6: Final answer
    x = 9,966,742.17

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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.