Home / 14,229,124.78-19,638,517.36-8,725,528.76

Finding the Fourth Proportional to 14,229,124.78, 19,638,517.36 and 8,725,528.76

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Solution

The fourth proportional to 14,229,124.78, 19,638,517.36 and 8,725,528.76 is: 12,042,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,124.78 : 19,638,517.36 = 8,725,528.76 : x
  2. Step 2: Convert to fraction form
    14,229,124.78/19,638,517.36 = 8,725,528.76/x
  3. Step 3: Cross multiply
    14,229,124.78x = 19,638,517.36 × 8,725,528.76
  4. Step 4: Simplify right side
    14,229,124.78x = 171,356,448,028,439.25
  5. Step 5: Solve for x
    x = 171,356,448,028,439.25/14,229,124.78
  6. Step 6: Final answer
    x = 12,042,655.52

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1.5x scale

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.