Home / 7,999,320.65-11,039,055.30-4,515,392.72

Finding the Fourth Proportional to 7,999,320.65, 11,039,055.30 and 4,515,392.72

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Solution

The fourth proportional to 7,999,320.65, 11,039,055.30 and 4,515,392.72 is: 6,231,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,320.65 : 11,039,055.30 = 4,515,392.72 : x
  2. Step 2: Convert to fraction form
    7,999,320.65/11,039,055.30 = 4,515,392.72/x
  3. Step 3: Cross multiply
    7,999,320.65x = 11,039,055.30 × 4,515,392.72
  4. Step 4: Simplify right side
    7,999,320.65x = 49,845,669,964,895.06
  5. Step 5: Solve for x
    x = 49,845,669,964,895.06/7,999,320.65
  6. Step 6: Final answer
    x = 6,231,237.90

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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.