Home / 10,721,898.40-14,796,334.08-5,827,120.73

Finding the Fourth Proportional to 10,721,898.40, 14,796,334.08 and 5,827,120.73

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Solution

The fourth proportional to 10,721,898.40, 14,796,334.08 and 5,827,120.73 is: 8,041,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,898.40 : 14,796,334.08 = 5,827,120.73 : x
  2. Step 2: Convert to fraction form
    10,721,898.40/14,796,334.08 = 5,827,120.73/x
  3. Step 3: Cross multiply
    10,721,898.40x = 14,796,334.08 × 5,827,120.73
  4. Step 4: Simplify right side
    10,721,898.40x = 86,220,025,016,437.88
  5. Step 5: Solve for x
    x = 86,220,025,016,437.88/10,721,898.40
  6. Step 6: Final answer
    x = 8,041,488.72

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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.