Home / 30,057,818.40-41,479,869.83-16,306,782.53

Finding the Fourth Proportional to 30,057,818.40, 41,479,869.83 and 16,306,782.53

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Solution

The fourth proportional to 30,057,818.40, 41,479,869.83 and 16,306,782.53 is: 22,503,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057,818.40 : 41,479,869.83 = 16,306,782.53 : x
  2. Step 2: Convert to fraction form
    30,057,818.40/41,479,869.83 = 16,306,782.53/x
  3. Step 3: Cross multiply
    30,057,818.40x = 41,479,869.83 × 16,306,782.53
  4. Step 4: Simplify right side
    30,057,818.40x = 676,403,216,655,822.88
  5. Step 5: Solve for x
    x = 676,403,216,655,822.88/30,057,818.40
  6. Step 6: Final answer
    x = 22,503,403.53

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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.