Home / 15,715,733.88-21,669,157.26-10,756,564.10

Finding the Fourth Proportional to 15,715,733.88, 21,669,157.26 and 10,756,564.10

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Solution

The fourth proportional to 15,715,733.88, 21,669,157.26 and 10,756,564.10 is: 14,831,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715,733.88 : 21,669,157.26 = 10,756,564.10 : x
  2. Step 2: Convert to fraction form
    15,715,733.88/21,669,157.26 = 10,756,564.10/x
  3. Step 3: Cross multiply
    15,715,733.88x = 21,669,157.26 × 10,756,564.10
  4. Step 4: Simplify right side
    15,715,733.88x = 233,085,679,033,083.97
  5. Step 5: Solve for x
    x = 233,085,679,033,083.97/15,715,733.88
  6. Step 6: Final answer
    x = 14,831,358.23

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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.