Home / 12,571,943.38-17,349,403.17-7,139,474.26

Finding the Fourth Proportional to 12,571,943.38, 17,349,403.17 and 7,139,474.26

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Solution

The fourth proportional to 12,571,943.38, 17,349,403.17 and 7,139,474.26 is: 9,852,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571,943.38 : 17,349,403.17 = 7,139,474.26 : x
  2. Step 2: Convert to fraction form
    12,571,943.38/17,349,403.17 = 7,139,474.26/x
  3. Step 3: Cross multiply
    12,571,943.38x = 17,349,403.17 × 7,139,474.26
  4. Step 4: Simplify right side
    12,571,943.38x = 123,865,617,358,577.41
  5. Step 5: Solve for x
    x = 123,865,617,358,577.41/12,571,943.38
  6. Step 6: Final answer
    x = 9,852,543.37

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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.