Home / 10,528,970.78-15,793,414.45-3,341,065.21

Finding the Fourth Proportional to 10,528,970.78, 15,793,414.45 and 3,341,065.21

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Solution

The fourth proportional to 10,528,970.78, 15,793,414.45 and 3,341,065.21 is: 5,011,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528,970.78 : 15,793,414.45 = 3,341,065.21 : x
  2. Step 2: Convert to fraction form
    10,528,970.78/15,793,414.45 = 3,341,065.21/x
  3. Step 3: Cross multiply
    10,528,970.78x = 15,793,414.45 × 3,341,065.21
  4. Step 4: Simplify right side
    10,528,970.78x = 52,766,827,566,006.28
  5. Step 5: Solve for x
    x = 52,766,827,566,006.28/10,528,970.78
  6. Step 6: Final answer
    x = 5,011,584.58

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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.