Home / 12,869,422.40-19,306,725.60-3,771,502.40

Finding the Fourth Proportional to 12,869,422.40, 19,306,725.60 and 3,771,502.40

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Solution

The fourth proportional to 12,869,422.40, 19,306,725.60 and 3,771,502.40 is: 5,658,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,422.40 : 19,306,725.60 = 3,771,502.40 : x
  2. Step 2: Convert to fraction form
    12,869,422.40/19,306,725.60 = 3,771,502.40/x
  3. Step 3: Cross multiply
    12,869,422.40x = 19,306,725.60 × 3,771,502.40
  4. Step 4: Simplify right side
    12,869,422.40x = 72,815,361,936,541.44
  5. Step 5: Solve for x
    x = 72,815,361,936,541.44/12,869,422.40
  6. Step 6: Final answer
    x = 5,658,013.21

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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.