Home / 17,966,345.20-26,945,143.80-5,185,517.20

Finding the Fourth Proportional to 17,966,345.20, 26,945,143.80 and 5,185,517.20

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Solution

The fourth proportional to 17,966,345.20, 26,945,143.80 and 5,185,517.20 is: 7,777,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,345.20 : 26,945,143.80 = 5,185,517.20 : x
  2. Step 2: Convert to fraction form
    17,966,345.20/26,945,143.80 = 5,185,517.20/x
  3. Step 3: Cross multiply
    17,966,345.20x = 26,945,143.80 × 5,185,517.20
  4. Step 4: Simplify right side
    17,966,345.20x = 139,724,506,631,373.38
  5. Step 5: Solve for x
    x = 139,724,506,631,373.38/17,966,345.20
  6. Step 6: Final answer
    x = 7,777,013.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.