Home / 13,333,862.52-18,400,730.88-7,222,291

Finding the Fourth Proportional to 13,333,862.52, 18,400,730.88 and 7,222,291

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Solution

The fourth proportional to 13,333,862.52, 18,400,730.88 and 7,222,291 is: 9,966,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,862.52 : 18,400,730.88 = 7,222,291 : x
  2. Step 2: Convert to fraction form
    13,333,862.52/18,400,730.88 = 7,222,291/x
  3. Step 3: Cross multiply
    13,333,862.52x = 18,400,730.88 × 7,222,291
  4. Step 4: Simplify right side
    13,333,862.52x = 132,895,433,028,046.08
  5. Step 5: Solve for x
    x = 132,895,433,028,046.08/13,333,862.52
  6. Step 6: Final answer
    x = 9,966,761.91

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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.