Home / 8,731,348-13,105,959.34-7,210,184.20

Finding the Fourth Proportional to 8,731,348, 13,105,959.34 and 7,210,184.20

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Solution

The fourth proportional to 8,731,348, 13,105,959.34 and 7,210,184.20 is: 10,822,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,348 : 13,105,959.34 = 7,210,184.20 : x
  2. Step 2: Convert to fraction form
    8,731,348/13,105,959.34 = 7,210,184.20/x
  3. Step 3: Cross multiply
    8,731,348x = 13,105,959.34 × 7,210,184.20
  4. Step 4: Simplify right side
    8,731,348x = 94,496,380,959,110.42
  5. Step 5: Solve for x
    x = 94,496,380,959,110.42/8,731,348
  6. Step 6: Final answer
    x = 10,822,656.59

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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.