Home / 15,332,620.64-21,158,645.64-8,456,955.08

Finding the Fourth Proportional to 15,332,620.64, 21,158,645.64 and 8,456,955.08

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Solution

The fourth proportional to 15,332,620.64, 21,158,645.64 and 8,456,955.08 is: 11,670,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332,620.64 : 21,158,645.64 = 8,456,955.08 : x
  2. Step 2: Convert to fraction form
    15,332,620.64/21,158,645.64 = 8,456,955.08/x
  3. Step 3: Cross multiply
    15,332,620.64x = 21,158,645.64 × 8,456,955.08
  4. Step 4: Simplify right side
    15,332,620.64x = 178,937,715,731,117.84
  5. Step 5: Solve for x
    x = 178,937,715,731,117.84/15,332,620.64
  6. Step 6: Final answer
    x = 11,670,393.47

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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.