Home / 7,887,319.30-11,822,814.15-4,285,476.10

Finding the Fourth Proportional to 7,887,319.30, 11,822,814.15 and 4,285,476.10

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Solution

The fourth proportional to 7,887,319.30, 11,822,814.15 and 4,285,476.10 is: 6,423,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,319.30 : 11,822,814.15 = 4,285,476.10 : x
  2. Step 2: Convert to fraction form
    7,887,319.30/11,822,814.15 = 4,285,476.10/x
  3. Step 3: Cross multiply
    7,887,319.30x = 11,822,814.15 × 4,285,476.10
  4. Step 4: Simplify right side
    7,887,319.30x = 50,666,387,474,566.81
  5. Step 5: Solve for x
    x = 50,666,387,474,566.81/7,887,319.30
  6. Step 6: Final answer
    x = 6,423,777.91

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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.