Home / 8,242,761.60-12,355,416-2,772,649.08

Finding the Fourth Proportional to 8,242,761.60, 12,355,416 and 2,772,649.08

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Solution

The fourth proportional to 8,242,761.60, 12,355,416 and 2,772,649.08 is: 4,156,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242,761.60 : 12,355,416 = 2,772,649.08 : x
  2. Step 2: Convert to fraction form
    8,242,761.60/12,355,416 = 2,772,649.08/x
  3. Step 3: Cross multiply
    8,242,761.60x = 12,355,416 × 2,772,649.08
  4. Step 4: Simplify right side
    8,242,761.60x = 34,257,232,805,417.28
  5. Step 5: Solve for x
    x = 34,257,232,805,417.28/8,242,761.60
  6. Step 6: Final answer
    x = 4,156,038.29

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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.