Home / 15,260,271.31-21,059,169.55-8,385,196.24

Finding the Fourth Proportional to 15,260,271.31, 21,059,169.55 and 8,385,196.24

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Solution

The fourth proportional to 15,260,271.31, 21,059,169.55 and 8,385,196.24 is: 11,571,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260,271.31 : 21,059,169.55 = 8,385,196.24 : x
  2. Step 2: Convert to fraction form
    15,260,271.31/21,059,169.55 = 8,385,196.24/x
  3. Step 3: Cross multiply
    15,260,271.31x = 21,059,169.55 × 8,385,196.24
  4. Step 4: Simplify right side
    15,260,271.31x = 176,585,269,333,543.47
  5. Step 5: Solve for x
    x = 176,585,269,333,543.47/15,260,271.31
  6. Step 6: Final answer
    x = 11,571,568.14

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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.