Home / 28,035,405.18-42,052,827.51-8,866,165.50

Finding the Fourth Proportional to 28,035,405.18, 42,052,827.51 and 8,866,165.50

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Solution

The fourth proportional to 28,035,405.18, 42,052,827.51 and 8,866,165.50 is: 13,299,159.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035,405.18 : 42,052,827.51 = 8,866,165.50 : x
  2. Step 2: Convert to fraction form
    28,035,405.18/42,052,827.51 = 8,866,165.50/x
  3. Step 3: Cross multiply
    28,035,405.18x = 42,052,827.51 × 8,866,165.50
  4. Step 4: Simplify right side
    28,035,405.18x = 372,847,328,446,612.88
  5. Step 5: Solve for x
    x = 372,847,328,446,612.88/28,035,405.18
  6. Step 6: Final answer
    x = 13,299,159.62

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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.