Home / 17,142,085.12-25,712,390.40-5,174,464

Finding the Fourth Proportional to 17,142,085.12, 25,712,390.40 and 5,174,464

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Solution

The fourth proportional to 17,142,085.12, 25,712,390.40 and 5,174,464 is: 7,761,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142,085.12 : 25,712,390.40 = 5,174,464 : x
  2. Step 2: Convert to fraction form
    17,142,085.12/25,712,390.40 = 5,174,464/x
  3. Step 3: Cross multiply
    17,142,085.12x = 25,712,390.40 × 5,174,464
  4. Step 4: Simplify right side
    17,142,085.12x = 133,047,838,478,745.59
  5. Step 5: Solve for x
    x = 133,047,838,478,745.59/17,142,085.12
  6. Step 6: Final answer
    x = 7,761,473.45

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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.