Home / 7,679,438.08-11,520,875.16-2,887,168.84

Finding the Fourth Proportional to 7,679,438.08, 11,520,875.16 and 2,887,168.84

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Solution

The fourth proportional to 7,679,438.08, 11,520,875.16 and 2,887,168.84 is: 4,331,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,438.08 : 11,520,875.16 = 2,887,168.84 : x
  2. Step 2: Convert to fraction form
    7,679,438.08/11,520,875.16 = 2,887,168.84/x
  3. Step 3: Cross multiply
    7,679,438.08x = 11,520,875.16 × 2,887,168.84
  4. Step 4: Simplify right side
    7,679,438.08x = 33,262,711,771,482.01
  5. Step 5: Solve for x
    x = 33,262,711,771,482.01/7,679,438.08
  6. Step 6: Final answer
    x = 4,331,399.18

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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.