Home / 6,939,210.74-9,581,162.63-5,570,085.96

Finding the Fourth Proportional to 6,939,210.74, 9,581,162.63 and 5,570,085.96

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Solution

The fourth proportional to 6,939,210.74, 9,581,162.63 and 5,570,085.96 is: 7,690,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939,210.74 : 9,581,162.63 = 5,570,085.96 : x
  2. Step 2: Convert to fraction form
    6,939,210.74/9,581,162.63 = 5,570,085.96/x
  3. Step 3: Cross multiply
    6,939,210.74x = 9,581,162.63 × 5,570,085.96
  4. Step 4: Simplify right side
    6,939,210.74x = 53,367,899,417,989.24
  5. Step 5: Solve for x
    x = 53,367,899,417,989.24/6,939,210.74
  6. Step 6: Final answer
    x = 7,690,773.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.