Home / 12,878,050.55-17,767,834.26-7,719,529.91

Finding the Fourth Proportional to 12,878,050.55, 17,767,834.26 and 7,719,529.91

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Solution

The fourth proportional to 12,878,050.55, 17,767,834.26 and 7,719,529.91 is: 10,650,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,050.55 : 17,767,834.26 = 7,719,529.91 : x
  2. Step 2: Convert to fraction form
    12,878,050.55/17,767,834.26 = 7,719,529.91/x
  3. Step 3: Cross multiply
    12,878,050.55x = 17,767,834.26 × 7,719,529.91
  4. Step 4: Simplify right side
    12,878,050.55x = 137,159,328,005,992.73
  5. Step 5: Solve for x
    x = 137,159,328,005,992.73/12,878,050.55
  6. Step 6: Final answer
    x = 10,650,628.17

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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.