Home / 14,912,901.22-20,579,606.94-8,386,528.72

Finding the Fourth Proportional to 14,912,901.22, 20,579,606.94 and 8,386,528.72

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Solution

The fourth proportional to 14,912,901.22, 20,579,606.94 and 8,386,528.72 is: 11,573,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912,901.22 : 20,579,606.94 = 8,386,528.72 : x
  2. Step 2: Convert to fraction form
    14,912,901.22/20,579,606.94 = 8,386,528.72/x
  3. Step 3: Cross multiply
    14,912,901.22x = 20,579,606.94 × 8,386,528.72
  4. Step 4: Simplify right side
    14,912,901.22x = 172,591,464,648,621.31
  5. Step 5: Solve for x
    x = 172,591,464,648,621.31/14,912,901.22
  6. Step 6: Final answer
    x = 11,573,298.99

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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.