Home / 10,911,894.48-15,055,781.04-7,043,587.20

Finding the Fourth Proportional to 10,911,894.48, 15,055,781.04 and 7,043,587.20

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Solution

The fourth proportional to 10,911,894.48, 15,055,781.04 and 7,043,587.20 is: 9,718,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,894.48 : 15,055,781.04 = 7,043,587.20 : x
  2. Step 2: Convert to fraction form
    10,911,894.48/15,055,781.04 = 7,043,587.20/x
  3. Step 3: Cross multiply
    10,911,894.48x = 15,055,781.04 × 7,043,587.20
  4. Step 4: Simplify right side
    10,911,894.48x = 106,046,706,619,346.69
  5. Step 5: Solve for x
    x = 106,046,706,619,346.69/10,911,894.48
  6. Step 6: Final answer
    x = 9,718,450.52

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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.