Home / 30,543,849.18-42,151,343.34-16,606,142.10

Finding the Fourth Proportional to 30,543,849.18, 42,151,343.34 and 16,606,142.10

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Solution

The fourth proportional to 30,543,849.18, 42,151,343.34 and 16,606,142.10 is: 22,916,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,849.18 : 42,151,343.34 = 16,606,142.10 : x
  2. Step 2: Convert to fraction form
    30,543,849.18/42,151,343.34 = 16,606,142.10/x
  3. Step 3: Cross multiply
    30,543,849.18x = 42,151,343.34 × 16,606,142.10
  4. Step 4: Simplify right side
    30,543,849.18x = 699,971,197,209,928.62
  5. Step 5: Solve for x
    x = 699,971,197,209,928.62/30,543,849.18
  6. Step 6: Final answer
    x = 22,916,928.15

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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.