Home / 8,703,120.49-12,006,586.07-5,437,710.79

Finding the Fourth Proportional to 8,703,120.49, 12,006,586.07 and 5,437,710.79

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Solution

The fourth proportional to 8,703,120.49, 12,006,586.07 and 5,437,710.79 is: 7,501,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703,120.49 : 12,006,586.07 = 5,437,710.79 : x
  2. Step 2: Convert to fraction form
    8,703,120.49/12,006,586.07 = 5,437,710.79/x
  3. Step 3: Cross multiply
    8,703,120.49x = 12,006,586.07 × 5,437,710.79
  4. Step 4: Simplify right side
    8,703,120.49x = 65,288,342,596,714.14
  5. Step 5: Solve for x
    x = 65,288,342,596,714.14/8,703,120.49
  6. Step 6: Final answer
    x = 7,501,716.50

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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.