Home / 15,725,208.36-21,697,196.85-8,847,180.84

Finding the Fourth Proportional to 15,725,208.36, 21,697,196.85 and 8,847,180.84

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Solution

The fourth proportional to 15,725,208.36, 21,697,196.85 and 8,847,180.84 is: 12,207,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,208.36 : 21,697,196.85 = 8,847,180.84 : x
  2. Step 2: Convert to fraction form
    15,725,208.36/21,697,196.85 = 8,847,180.84/x
  3. Step 3: Cross multiply
    15,725,208.36x = 21,697,196.85 × 8,847,180.84
  4. Step 4: Simplify right side
    15,725,208.36x = 191,959,024,253,028.38
  5. Step 5: Solve for x
    x = 191,959,024,253,028.38/15,725,208.36
  6. Step 6: Final answer
    x = 12,207,089.40

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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.