Home / 12,879,344.40-19,319,016.60-5,801,456.40

Finding the Fourth Proportional to 12,879,344.40, 19,319,016.60 and 5,801,456.40

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Solution

The fourth proportional to 12,879,344.40, 19,319,016.60 and 5,801,456.40 is: 8,702,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,344.40 : 19,319,016.60 = 5,801,456.40 : x
  2. Step 2: Convert to fraction form
    12,879,344.40/19,319,016.60 = 5,801,456.40/x
  3. Step 3: Cross multiply
    12,879,344.40x = 19,319,016.60 × 5,801,456.40
  4. Step 4: Simplify right side
    12,879,344.40x = 112,078,432,495,776.25
  5. Step 5: Solve for x
    x = 112,078,432,495,776.25/12,879,344.40
  6. Step 6: Final answer
    x = 8,702,184.60

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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.