Home / 13,851,746.28-19,115,379.54-7,740,174.78

Finding the Fourth Proportional to 13,851,746.28, 19,115,379.54 and 7,740,174.78

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Solution

The fourth proportional to 13,851,746.28, 19,115,379.54 and 7,740,174.78 is: 10,681,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,746.28 : 19,115,379.54 = 7,740,174.78 : x
  2. Step 2: Convert to fraction form
    13,851,746.28/19,115,379.54 = 7,740,174.78/x
  3. Step 3: Cross multiply
    13,851,746.28x = 19,115,379.54 × 7,740,174.78
  4. Step 4: Simplify right side
    13,851,746.28x = 147,956,378,625,636
  5. Step 5: Solve for x
    x = 147,956,378,625,636/13,851,746.28
  6. Step 6: Final answer
    x = 10,681,424.25

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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.