Home / 14,912,901.72-20,579,607.63-8,386,529.22

Finding the Fourth Proportional to 14,912,901.72, 20,579,607.63 and 8,386,529.22

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Solution

The fourth proportional to 14,912,901.72, 20,579,607.63 and 8,386,529.22 is: 11,573,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912,901.72 : 20,579,607.63 = 8,386,529.22 : x
  2. Step 2: Convert to fraction form
    14,912,901.72/20,579,607.63 = 8,386,529.22/x
  3. Step 3: Cross multiply
    14,912,901.72x = 20,579,607.63 × 8,386,529.22
  4. Step 4: Simplify right side
    14,912,901.72x = 172,591,480,725,129.94
  5. Step 5: Solve for x
    x = 172,591,480,725,129.94/14,912,901.72
  6. Step 6: Final answer
    x = 11,573,299.68

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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.