Home / 20,716,916.60-31,077,707.70-6,339,870.20

Finding the Fourth Proportional to 20,716,916.60, 31,077,707.70 and 6,339,870.20

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Solution

The fourth proportional to 20,716,916.60, 31,077,707.70 and 6,339,870.20 is: 9,510,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,916.60 : 31,077,707.70 = 6,339,870.20 : x
  2. Step 2: Convert to fraction form
    20,716,916.60/31,077,707.70 = 6,339,870.20/x
  3. Step 3: Cross multiply
    20,716,916.60x = 31,077,707.70 × 6,339,870.20
  4. Step 4: Simplify right side
    20,716,916.60x = 197,028,632,931,540.53
  5. Step 5: Solve for x
    x = 197,028,632,931,540.53/20,716,916.60
  6. Step 6: Final answer
    x = 9,510,519.19

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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.