Home / 15,736,932.36-21,716,941.59-8,861,463.63

Finding the Fourth Proportional to 15,736,932.36, 21,716,941.59 and 8,861,463.63

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Solution

The fourth proportional to 15,736,932.36, 21,716,941.59 and 8,861,463.63 is: 12,228,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736,932.36 : 21,716,941.59 = 8,861,463.63 : x
  2. Step 2: Convert to fraction form
    15,736,932.36/21,716,941.59 = 8,861,463.63/x
  3. Step 3: Cross multiply
    15,736,932.36x = 21,716,941.59 × 8,861,463.63
  4. Step 4: Simplify right side
    15,736,932.36x = 192,443,888,054,619.38
  5. Step 5: Solve for x
    x = 192,443,888,054,619.38/15,736,932.36
  6. Step 6: Final answer
    x = 12,228,805.69

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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.