Home / 15,247,925.74-21,042,137.63-8,372,407.80

Finding the Fourth Proportional to 15,247,925.74, 21,042,137.63 and 8,372,407.80

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Solution

The fourth proportional to 15,247,925.74, 21,042,137.63 and 8,372,407.80 is: 11,553,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,925.74 : 21,042,137.63 = 8,372,407.80 : x
  2. Step 2: Convert to fraction form
    15,247,925.74/21,042,137.63 = 8,372,407.80/x
  3. Step 3: Cross multiply
    15,247,925.74x = 21,042,137.63 × 8,372,407.80
  4. Step 4: Simplify right side
    15,247,925.74x = 176,173,357,180,223.47
  5. Step 5: Solve for x
    x = 176,173,357,180,223.47/15,247,925.74
  6. Step 6: Final answer
    x = 11,553,922.82

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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.