Home / 15,840,587.69-21,869,884.01-10,887,557.57

Finding the Fourth Proportional to 15,840,587.69, 21,869,884.01 and 10,887,557.57

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Solution

The fourth proportional to 15,840,587.69, 21,869,884.01 and 10,887,557.57 is: 15,031,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840,587.69 : 21,869,884.01 = 10,887,557.57 : x
  2. Step 2: Convert to fraction form
    15,840,587.69/21,869,884.01 = 10,887,557.57/x
  3. Step 3: Cross multiply
    15,840,587.69x = 21,869,884.01 × 10,887,557.57
  4. Step 4: Simplify right side
    15,840,587.69x = 238,109,621,208,097.47
  5. Step 5: Solve for x
    x = 238,109,621,208,097.47/15,840,587.69
  6. Step 6: Final answer
    x = 15,031,615.36

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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.