Home / 13,146,960.40-19,720,440.60-8,900,227.60

Finding the Fourth Proportional to 13,146,960.40, 19,720,440.60 and 8,900,227.60

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Solution

The fourth proportional to 13,146,960.40, 19,720,440.60 and 8,900,227.60 is: 13,350,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,960.40 : 19,720,440.60 = 8,900,227.60 : x
  2. Step 2: Convert to fraction form
    13,146,960.40/19,720,440.60 = 8,900,227.60/x
  3. Step 3: Cross multiply
    13,146,960.40x = 19,720,440.60 × 8,900,227.60
  4. Step 4: Simplify right side
    13,146,960.40x = 175,516,409,712,280.56
  5. Step 5: Solve for x
    x = 175,516,409,712,280.56/13,146,960.40
  6. Step 6: Final answer
    x = 13,350,341.40

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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.