Home / 8,334,780.72-12,485,994.32-6,142,368.68

Finding the Fourth Proportional to 8,334,780.72, 12,485,994.32 and 6,142,368.68

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Solution

The fourth proportional to 8,334,780.72, 12,485,994.32 and 6,142,368.68 is: 9,201,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334,780.72 : 12,485,994.32 = 6,142,368.68 : x
  2. Step 2: Convert to fraction form
    8,334,780.72/12,485,994.32 = 6,142,368.68/x
  3. Step 3: Cross multiply
    8,334,780.72x = 12,485,994.32 × 6,142,368.68
  4. Step 4: Simplify right side
    8,334,780.72x = 76,693,580,356,684.08
  5. Step 5: Solve for x
    x = 76,693,580,356,684.08/8,334,780.72
  6. Step 6: Final answer
    x = 9,201,631.44

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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.