Home / 9,221,109.20-13,831,663.80-2,830,531.18

Finding the Fourth Proportional to 9,221,109.20, 13,831,663.80 and 2,830,531.18

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Solution

The fourth proportional to 9,221,109.20, 13,831,663.80 and 2,830,531.18 is: 4,245,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221,109.20 : 13,831,663.80 = 2,830,531.18 : x
  2. Step 2: Convert to fraction form
    9,221,109.20/13,831,663.80 = 2,830,531.18/x
  3. Step 3: Cross multiply
    9,221,109.20x = 13,831,663.80 × 2,830,531.18
  4. Step 4: Simplify right side
    9,221,109.20x = 39,150,955,657,177.29
  5. Step 5: Solve for x
    x = 39,150,955,657,177.29/9,221,109.20
  6. Step 6: Final answer
    x = 4,245,796.77

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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.