Home / 12,828,102.04-17,696,069.19-7,931,758.96

Finding the Fourth Proportional to 12,828,102.04, 17,696,069.19 and 7,931,758.96

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Solution

The fourth proportional to 12,828,102.04, 17,696,069.19 and 7,931,758.96 is: 10,941,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,102.04 : 17,696,069.19 = 7,931,758.96 : x
  2. Step 2: Convert to fraction form
    12,828,102.04/17,696,069.19 = 7,931,758.96/x
  3. Step 3: Cross multiply
    12,828,102.04x = 17,696,069.19 × 7,931,758.96
  4. Step 4: Simplify right side
    12,828,102.04x = 140,360,955,354,562.45
  5. Step 5: Solve for x
    x = 140,360,955,354,562.45/12,828,102.04
  6. Step 6: Final answer
    x = 10,941,677.49

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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.