Home / 12,884,738.16-17,780,950.08-7,083,618.60

Finding the Fourth Proportional to 12,884,738.16, 17,780,950.08 and 7,083,618.60

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Solution

The fourth proportional to 12,884,738.16, 17,780,950.08 and 7,083,618.60 is: 9,775,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,738.16 : 17,780,950.08 = 7,083,618.60 : x
  2. Step 2: Convert to fraction form
    12,884,738.16/17,780,950.08 = 7,083,618.60/x
  3. Step 3: Cross multiply
    12,884,738.16x = 17,780,950.08 × 7,083,618.60
  4. Step 4: Simplify right side
    12,884,738.16x = 125,953,468,712,359.47
  5. Step 5: Solve for x
    x = 125,953,468,712,359.47/12,884,738.16
  6. Step 6: Final answer
    x = 9,775,399.95

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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.