Home / 14,912,807.56-20,579,478.84-8,386,435

Finding the Fourth Proportional to 14,912,807.56, 20,579,478.84 and 8,386,435

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Solution

The fourth proportional to 14,912,807.56, 20,579,478.84 and 8,386,435 is: 11,573,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912,807.56 : 20,579,478.84 = 8,386,435 : x
  2. Step 2: Convert to fraction form
    14,912,807.56/20,579,478.84 = 8,386,435/x
  3. Step 3: Cross multiply
    14,912,807.56x = 20,579,478.84 × 8,386,435
  4. Step 4: Simplify right side
    14,912,807.56x = 172,588,461,625,535.41
  5. Step 5: Solve for x
    x = 172,588,461,625,535.41/14,912,807.56
  6. Step 6: Final answer
    x = 11,573,170.31

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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.