Home / 8,155,805.40-12,219,711.30-3,886,781.40

Finding the Fourth Proportional to 8,155,805.40, 12,219,711.30 and 3,886,781.40

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Solution

The fourth proportional to 8,155,805.40, 12,219,711.30 and 3,886,781.40 is: 5,823,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,805.40 : 12,219,711.30 = 3,886,781.40 : x
  2. Step 2: Convert to fraction form
    8,155,805.40/12,219,711.30 = 3,886,781.40/x
  3. Step 3: Cross multiply
    8,155,805.40x = 12,219,711.30 × 3,886,781.40
  4. Step 4: Simplify right side
    8,155,805.40x = 47,495,346,594,209.82
  5. Step 5: Solve for x
    x = 47,495,346,594,209.82/8,155,805.40
  6. Step 6: Final answer
    x = 5,823,501.70

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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.