Home / 15,322,176.47-21,144,838.12-8,352,858.11

Finding the Fourth Proportional to 15,322,176.47, 21,144,838.12 and 8,352,858.11

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Solution

The fourth proportional to 15,322,176.47, 21,144,838.12 and 8,352,858.11 is: 11,527,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,176.47 : 21,144,838.12 = 8,352,858.11 : x
  2. Step 2: Convert to fraction form
    15,322,176.47/21,144,838.12 = 8,352,858.11/x
  3. Step 3: Cross multiply
    15,322,176.47x = 21,144,838.12 × 8,352,858.11
  4. Step 4: Simplify right side
    15,322,176.47x = 176,619,832,448,672.81
  5. Step 5: Solve for x
    x = 176,619,832,448,672.81/15,322,176.47
  6. Step 6: Final answer
    x = 11,527,072.07

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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.