Home / 7,985,802.71-11,007,496.81-6,240,438.65

Finding the Fourth Proportional to 7,985,802.71, 11,007,496.81 and 6,240,438.65

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Solution

The fourth proportional to 7,985,802.71, 11,007,496.81 and 6,240,438.65 is: 8,601,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985,802.71 : 11,007,496.81 = 6,240,438.65 : x
  2. Step 2: Convert to fraction form
    7,985,802.71/11,007,496.81 = 6,240,438.65/x
  3. Step 3: Cross multiply
    7,985,802.71x = 11,007,496.81 × 6,240,438.65
  4. Step 4: Simplify right side
    7,985,802.71x = 68,691,608,532,875.71
  5. Step 5: Solve for x
    x = 68,691,608,532,875.71/7,985,802.71
  6. Step 6: Final answer
    x = 8,601,716.20

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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.