Home / 20,306,916.86-30,457,384.26-6,661,505.19

Finding the Fourth Proportional to 20,306,916.86, 30,457,384.26 and 6,661,505.19

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Solution

The fourth proportional to 20,306,916.86, 30,457,384.26 and 6,661,505.19 is: 9,991,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306,916.86 : 30,457,384.26 = 6,661,505.19 : x
  2. Step 2: Convert to fraction form
    20,306,916.86/30,457,384.26 = 6,661,505.19/x
  3. Step 3: Cross multiply
    20,306,916.86x = 30,457,384.26 × 6,661,505.19
  4. Step 4: Simplify right side
    20,306,916.86x = 202,892,023,182,618.50
  5. Step 5: Solve for x
    x = 202,892,023,182,618.50/20,306,916.86
  6. Step 6: Final answer
    x = 9,991,276.60

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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.