Home / 15,412,048.18-21,253,950.58-9,216,085.82

Finding the Fourth Proportional to 15,412,048.18, 21,253,950.58 and 9,216,085.82

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Solution

The fourth proportional to 15,412,048.18, 21,253,950.58 and 9,216,085.82 is: 12,709,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,048.18 : 21,253,950.58 = 9,216,085.82 : x
  2. Step 2: Convert to fraction form
    15,412,048.18/21,253,950.58 = 9,216,085.82/x
  3. Step 3: Cross multiply
    15,412,048.18x = 21,253,950.58 × 9,216,085.82
  4. Step 4: Simplify right side
    15,412,048.18x = 195,878,232,559,318.75
  5. Step 5: Solve for x
    x = 195,878,232,559,318.75/15,412,048.18
  6. Step 6: Final answer
    x = 12,709,422.54

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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.