Home / 7,171,455.96-9,896,320.26-3,908,200.59

Finding the Fourth Proportional to 7,171,455.96, 9,896,320.26 and 3,908,200.59

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Solution

The fourth proportional to 7,171,455.96, 9,896,320.26 and 3,908,200.59 is: 5,393,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,455.96 : 9,896,320.26 = 3,908,200.59 : x
  2. Step 2: Convert to fraction form
    7,171,455.96/9,896,320.26 = 3,908,200.59/x
  3. Step 3: Cross multiply
    7,171,455.96x = 9,896,320.26 × 3,908,200.59
  4. Step 4: Simplify right side
    7,171,455.96x = 38,676,804,678,960.95
  5. Step 5: Solve for x
    x = 38,676,804,678,960.95/7,171,455.96
  6. Step 6: Final answer
    x = 5,393,159.34

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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.