Home / 7,115,726.93-9,818,949.69-4,018,062.53

Finding the Fourth Proportional to 7,115,726.93, 9,818,949.69 and 4,018,062.53

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Solution

The fourth proportional to 7,115,726.93, 9,818,949.69 and 4,018,062.53 is: 5,544,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,726.93 : 9,818,949.69 = 4,018,062.53 : x
  2. Step 2: Convert to fraction form
    7,115,726.93/9,818,949.69 = 4,018,062.53/x
  3. Step 3: Cross multiply
    7,115,726.93x = 9,818,949.69 × 4,018,062.53
  4. Step 4: Simplify right side
    7,115,726.93x = 39,453,153,833,344.11
  5. Step 5: Solve for x
    x = 39,453,153,833,344.11/7,115,726.93
  6. Step 6: Final answer
    x = 5,544,500.82

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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.