Home / 12,928,876.16-19,380,225.04-8,382,803.00

Finding the Fourth Proportional to 12,928,876.16, 19,380,225.04 and 8,382,803.00

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Solution

The fourth proportional to 12,928,876.16, 19,380,225.04 and 8,382,803.00 is: 12,565,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,876.16 : 19,380,225.04 = 8,382,803.00 : x
  2. Step 2: Convert to fraction form
    12,928,876.16/19,380,225.04 = 8,382,803.00/x
  3. Step 3: Cross multiply
    12,928,876.16x = 19,380,225.04 × 8,382,803.00
  4. Step 4: Simplify right side
    12,928,876.16x = 162,460,608,488,129
  5. Step 5: Solve for x
    x = 162,460,608,488,129/12,928,876.16
  6. Step 6: Final answer
    x = 12,565,717.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.