Home / 20,658,348.60-30,986,210.70-7,011,468.60

Finding the Fourth Proportional to 20,658,348.60, 30,986,210.70 and 7,011,468.60

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Solution

The fourth proportional to 20,658,348.60, 30,986,210.70 and 7,011,468.60 is: 10,516,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,658,348.60 : 30,986,210.70 = 7,011,468.60 : x
  2. Step 2: Convert to fraction form
    20,658,348.60/30,986,210.70 = 7,011,468.60/x
  3. Step 3: Cross multiply
    20,658,348.60x = 30,986,210.70 × 7,011,468.60
  4. Step 4: Simplify right side
    20,658,348.60x = 217,258,843,356,034
  5. Step 5: Solve for x
    x = 217,258,843,356,034/20,658,348.60
  6. Step 6: Final answer
    x = 10,516,757.54

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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.