Home / 28,381,329.60-42,567,847.20-8,184,465.60

Finding the Fourth Proportional to 28,381,329.60, 42,567,847.20 and 8,184,465.60

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Solution

The fourth proportional to 28,381,329.60, 42,567,847.20 and 8,184,465.60 is: 12,275,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381,329.60 : 42,567,847.20 = 8,184,465.60 : x
  2. Step 2: Convert to fraction form
    28,381,329.60/42,567,847.20 = 8,184,465.60/x
  3. Step 3: Cross multiply
    28,381,329.60x = 42,567,847.20 × 8,184,465.60
  4. Step 4: Simplify right side
    28,381,329.60x = 348,395,081,074,456.31
  5. Step 5: Solve for x
    x = 348,395,081,074,456.31/28,381,329.60
  6. Step 6: Final answer
    x = 12,275,502.45

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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.