Home / 30,588,434.87-42,213,154.05-16,649,116.52

Finding the Fourth Proportional to 30,588,434.87, 42,213,154.05 and 16,649,116.52

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Solution

The fourth proportional to 30,588,434.87, 42,213,154.05 and 16,649,116.52 is: 22,976,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,434.87 : 42,213,154.05 = 16,649,116.52 : x
  2. Step 2: Convert to fraction form
    30,588,434.87/42,213,154.05 = 16,649,116.52/x
  3. Step 3: Cross multiply
    30,588,434.87x = 42,213,154.05 × 16,649,116.52
  4. Step 4: Simplify right side
    30,588,434.87x = 702,811,720,244,094.12
  5. Step 5: Solve for x
    x = 702,811,720,244,094.12/30,588,434.87
  6. Step 6: Final answer
    x = 22,976,387.10

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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.