Home / 13,333,856.02-18,400,721.91-7,222,284.52

Finding the Fourth Proportional to 13,333,856.02, 18,400,721.91 and 7,222,284.52

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Solution

The fourth proportional to 13,333,856.02, 18,400,721.91 and 7,222,284.52 is: 9,966,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,856.02 : 18,400,721.91 = 7,222,284.52 : x
  2. Step 2: Convert to fraction form
    13,333,856.02/18,400,721.91 = 7,222,284.52/x
  3. Step 3: Cross multiply
    13,333,856.02x = 18,400,721.91 × 7,222,284.52
  4. Step 4: Simplify right side
    13,333,856.02x = 132,895,248,915,414.22
  5. Step 5: Solve for x
    x = 132,895,248,915,414.22/13,333,856.02
  6. Step 6: Final answer
    x = 9,966,752.96

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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.