Home / 7,171,307.92-9,896,116.80-3,908,053.36

Finding the Fourth Proportional to 7,171,307.92, 9,896,116.80 and 3,908,053.36

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Solution

The fourth proportional to 7,171,307.92, 9,896,116.80 and 3,908,053.36 is: 5,392,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,307.92 : 9,896,116.80 = 3,908,053.36 : x
  2. Step 2: Convert to fraction form
    7,171,307.92/9,896,116.80 = 3,908,053.36/x
  3. Step 3: Cross multiply
    7,171,307.92x = 9,896,116.80 × 3,908,053.36
  4. Step 4: Simplify right side
    7,171,307.92x = 38,674,552,511,192.45
  5. Step 5: Solve for x
    x = 38,674,552,511,192.45/7,171,307.92
  6. Step 6: Final answer
    x = 5,392,956.62

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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.