Home / 18,432,851.80-27,649,277.70-12,759,482.20

Finding the Fourth Proportional to 18,432,851.80, 27,649,277.70 and 12,759,482.20

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Solution

The fourth proportional to 18,432,851.80, 27,649,277.70 and 12,759,482.20 is: 19,139,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,851.80 : 27,649,277.70 = 12,759,482.20 : x
  2. Step 2: Convert to fraction form
    18,432,851.80/27,649,277.70 = 12,759,482.20/x
  3. Step 3: Cross multiply
    18,432,851.80x = 27,649,277.70 × 12,759,482.20
  4. Step 4: Simplify right side
    18,432,851.80x = 352,790,466,656,006.94
  5. Step 5: Solve for x
    x = 352,790,466,656,006.94/18,432,851.80
  6. Step 6: Final answer
    x = 19,139,223.30

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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.