Home / 14,962,967.92-20,648,898.84-8,087,428.72

Finding the Fourth Proportional to 14,962,967.92, 20,648,898.84 and 8,087,428.72

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Solution

The fourth proportional to 14,962,967.92, 20,648,898.84 and 8,087,428.72 is: 11,160,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962,967.92 : 20,648,898.84 = 8,087,428.72 : x
  2. Step 2: Convert to fraction form
    14,962,967.92/20,648,898.84 = 8,087,428.72/x
  3. Step 3: Cross multiply
    14,962,967.92x = 20,648,898.84 × 8,087,428.72
  4. Step 4: Simplify right side
    14,962,967.92x = 166,996,497,514,990.69
  5. Step 5: Solve for x
    x = 166,996,497,514,990.69/14,962,967.92
  6. Step 6: Final answer
    x = 11,160,653.31

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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.