Home / 30,442,972.84-45,672,079.74-8,877,577

Finding the Fourth Proportional to 30,442,972.84, 45,672,079.74 and 8,877,577

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Solution

The fourth proportional to 30,442,972.84, 45,672,079.74 and 8,877,577 is: 13,318,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442,972.84 : 45,672,079.74 = 8,877,577 : x
  2. Step 2: Convert to fraction form
    30,442,972.84/45,672,079.74 = 8,877,577/x
  3. Step 3: Cross multiply
    30,442,972.84x = 45,672,079.74 × 8,877,577
  4. Step 4: Simplify right side
    30,442,972.84x = 405,457,404,641,990
  5. Step 5: Solve for x
    x = 405,457,404,641,990/30,442,972.84
  6. Step 6: Final answer
    x = 13,318,587.73

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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.