Home / 10,432,024.40-15,655,812.60-5,380,734.80

Finding the Fourth Proportional to 10,432,024.40, 15,655,812.60 and 5,380,734.80

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Solution

The fourth proportional to 10,432,024.40, 15,655,812.60 and 5,380,734.80 is: 8,075,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432,024.40 : 15,655,812.60 = 5,380,734.80 : x
  2. Step 2: Convert to fraction form
    10,432,024.40/15,655,812.60 = 5,380,734.80/x
  3. Step 3: Cross multiply
    10,432,024.40x = 15,655,812.60 × 5,380,734.80
  4. Step 4: Simplify right side
    10,432,024.40x = 84,239,775,679,098.47
  5. Step 5: Solve for x
    x = 84,239,775,679,098.47/10,432,024.40
  6. Step 6: Final answer
    x = 8,075,112.98

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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.