Home / 15,930,552-21,985,820.64-9,818,823.36

Finding the Fourth Proportional to 15,930,552, 21,985,820.64 and 9,818,823.36

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Solution

The fourth proportional to 15,930,552, 21,985,820.64 and 9,818,823.36 is: 13,550,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930,552 : 21,985,820.64 = 9,818,823.36 : x
  2. Step 2: Convert to fraction form
    15,930,552/21,985,820.64 = 9,818,823.36/x
  3. Step 3: Cross multiply
    15,930,552x = 21,985,820.64 × 9,818,823.36
  4. Step 4: Simplify right side
    15,930,552x = 215,874,889,288,802.16
  5. Step 5: Solve for x
    x = 215,874,889,288,802.16/15,930,552
  6. Step 6: Final answer
    x = 13,550,998.69

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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.