Home / 9,175,358.40-13,746,448.80-8,113,675.20

Finding the Fourth Proportional to 9,175,358.40, 13,746,448.80 and 8,113,675.20

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Solution

The fourth proportional to 9,175,358.40, 13,746,448.80 and 8,113,675.20 is: 12,155,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175,358.40 : 13,746,448.80 = 8,113,675.20 : x
  2. Step 2: Convert to fraction form
    9,175,358.40/13,746,448.80 = 8,113,675.20/x
  3. Step 3: Cross multiply
    9,175,358.40x = 13,746,448.80 × 8,113,675.20
  4. Step 4: Simplify right side
    9,175,358.40x = 111,534,220,716,629.77
  5. Step 5: Solve for x
    x = 111,534,220,716,629.77/9,175,358.40
  6. Step 6: Final answer
    x = 12,155,843.49

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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.