Home / 10,721,899.53-14,796,335.70-5,827,121.91

Finding the Fourth Proportional to 10,721,899.53, 14,796,335.70 and 5,827,121.91

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Solution

The fourth proportional to 10,721,899.53, 14,796,335.70 and 5,827,121.91 is: 8,041,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,899.53 : 14,796,335.70 = 5,827,121.91 : x
  2. Step 2: Convert to fraction form
    10,721,899.53/14,796,335.70 = 5,827,121.91/x
  3. Step 3: Cross multiply
    10,721,899.53x = 14,796,335.70 × 5,827,121.91
  4. Step 4: Simplify right side
    10,721,899.53x = 86,220,051,945,185.19
  5. Step 5: Solve for x
    x = 86,220,051,945,185.19/10,721,899.53
  6. Step 6: Final answer
    x = 8,041,490.38

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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.