Home / 15,442,689.15-21,302,057.03-9,631,381.77

Finding the Fourth Proportional to 15,442,689.15, 21,302,057.03 and 9,631,381.77

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Solution

The fourth proportional to 15,442,689.15, 21,302,057.03 and 9,631,381.77 is: 13,285,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,689.15 : 21,302,057.03 = 9,631,381.77 : x
  2. Step 2: Convert to fraction form
    15,442,689.15/21,302,057.03 = 9,631,381.77/x
  3. Step 3: Cross multiply
    15,442,689.15x = 21,302,057.03 × 9,631,381.77
  4. Step 4: Simplify right side
    15,442,689.15x = 205,168,243,694,085.41
  5. Step 5: Solve for x
    x = 205,168,243,694,085.41/15,442,689.15
  6. Step 6: Final answer
    x = 13,285,784.73

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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.