Home / 10,528,968.78-15,793,411.46-3,341,063.21

Finding the Fourth Proportional to 10,528,968.78, 15,793,411.46 and 3,341,063.21

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Solution

The fourth proportional to 10,528,968.78, 15,793,411.46 and 3,341,063.21 is: 5,011,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528,968.78 : 15,793,411.46 = 3,341,063.21 : x
  2. Step 2: Convert to fraction form
    10,528,968.78/15,793,411.46 = 3,341,063.21/x
  3. Step 3: Cross multiply
    10,528,968.78x = 15,793,411.46 × 3,341,063.21
  4. Step 4: Simplify right side
    10,528,968.78x = 52,766,785,893,726.02
  5. Step 5: Solve for x
    x = 52,766,785,893,726.02/10,528,968.78
  6. Step 6: Final answer
    x = 5,011,581.57

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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.