Home / 28,895,123.66-43,343,474.43-8,424,348.52

Finding the Fourth Proportional to 28,895,123.66, 43,343,474.43 and 8,424,348.52

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Solution

The fourth proportional to 28,895,123.66, 43,343,474.43 and 8,424,348.52 is: 12,636,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895,123.66 : 43,343,474.43 = 8,424,348.52 : x
  2. Step 2: Convert to fraction form
    28,895,123.66/43,343,474.43 = 8,424,348.52/x
  3. Step 3: Cross multiply
    28,895,123.66x = 43,343,474.43 × 8,424,348.52
  4. Step 4: Simplify right side
    28,895,123.66x = 365,140,534,666,028.31
  5. Step 5: Solve for x
    x = 365,140,534,666,028.31/28,895,123.66
  6. Step 6: Final answer
    x = 12,636,752.79

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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.