Home / 30,216,741.31-41,699,156.15-16,465,705.43

Finding the Fourth Proportional to 30,216,741.31, 41,699,156.15 and 16,465,705.43

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Solution

The fourth proportional to 30,216,741.31, 41,699,156.15 and 16,465,705.43 is: 22,722,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216,741.31 : 41,699,156.15 = 16,465,705.43 : x
  2. Step 2: Convert to fraction form
    30,216,741.31/41,699,156.15 = 16,465,705.43/x
  3. Step 3: Cross multiply
    30,216,741.31x = 41,699,156.15 × 16,465,705.43
  4. Step 4: Simplify right side
    30,216,741.31x = 686,606,021,763,144.38
  5. Step 5: Solve for x
    x = 686,606,021,763,144.38/30,216,741.31
  6. Step 6: Final answer
    x = 22,722,702.45

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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.