Home / 13,427,013.42-20,140,660.80-10,748,366.19

Finding the Fourth Proportional to 13,427,013.42, 20,140,660.80 and 10,748,366.19

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Solution

The fourth proportional to 13,427,013.42, 20,140,660.80 and 10,748,366.19 is: 16,122,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427,013.42 : 20,140,660.80 = 10,748,366.19 : x
  2. Step 2: Convert to fraction form
    13,427,013.42/20,140,660.80 = 10,748,366.19/x
  3. Step 3: Cross multiply
    13,427,013.42x = 20,140,660.80 × 10,748,366.19
  4. Step 4: Simplify right side
    13,427,013.42x = 216,479,197,586,978.34
  5. Step 5: Solve for x
    x = 216,479,197,586,978.34/13,427,013.42
  6. Step 6: Final answer
    x = 16,122,661.89

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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.