Home / 30,588,433.80-42,213,152.52-16,649,115.18

Finding the Fourth Proportional to 30,588,433.80, 42,213,152.52 and 16,649,115.18

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Solution

The fourth proportional to 30,588,433.80, 42,213,152.52 and 16,649,115.18 is: 22,976,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,433.80 : 42,213,152.52 = 16,649,115.18 : x
  2. Step 2: Convert to fraction form
    30,588,433.80/42,213,152.52 = 16,649,115.18/x
  3. Step 3: Cross multiply
    30,588,433.80x = 42,213,152.52 × 16,649,115.18
  4. Step 4: Simplify right side
    30,588,433.80x = 702,811,638,416,387.25
  5. Step 5: Solve for x
    x = 702,811,638,416,387.25/30,588,433.80
  6. Step 6: Final answer
    x = 22,976,385.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.