Home / 13,750,781.13-20,626,417.80-4,166,160.75

Finding the Fourth Proportional to 13,750,781.13, 20,626,417.80 and 4,166,160.75

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Solution

The fourth proportional to 13,750,781.13, 20,626,417.80 and 4,166,160.75 is: 6,249,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750,781.13 : 20,626,417.80 = 4,166,160.75 : x
  2. Step 2: Convert to fraction form
    13,750,781.13/20,626,417.80 = 4,166,160.75/x
  3. Step 3: Cross multiply
    13,750,781.13x = 20,626,417.80 × 4,166,160.75
  4. Step 4: Simplify right side
    13,750,781.13x = 85,932,972,251,461.36
  5. Step 5: Solve for x
    x = 85,932,972,251,461.36/13,750,781.13
  6. Step 6: Final answer
    x = 6,249,315.69

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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.