Home / 7,720,657.65-11,577,028.35-4,079,345.70

Finding the Fourth Proportional to 7,720,657.65, 11,577,028.35 and 4,079,345.70

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Solution

The fourth proportional to 7,720,657.65, 11,577,028.35 and 4,079,345.70 is: 6,116,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,657.65 : 11,577,028.35 = 4,079,345.70 : x
  2. Step 2: Convert to fraction form
    7,720,657.65/11,577,028.35 = 4,079,345.70/x
  3. Step 3: Cross multiply
    7,720,657.65x = 11,577,028.35 × 4,079,345.70
  4. Step 4: Simplify right side
    7,720,657.65x = 47,226,700,818,350.59
  5. Step 5: Solve for x
    x = 47,226,700,818,350.59/7,720,657.65
  6. Step 6: Final answer
    x = 6,116,927.20

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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.