Home / 28,181,240.07-42,258,536.41-10,917,528.63

Finding the Fourth Proportional to 28,181,240.07, 42,258,536.41 and 10,917,528.63

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Solution

The fourth proportional to 28,181,240.07, 42,258,536.41 and 10,917,528.63 is: 16,371,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181,240.07 : 42,258,536.41 = 10,917,528.63 : x
  2. Step 2: Convert to fraction form
    28,181,240.07/42,258,536.41 = 10,917,528.63/x
  3. Step 3: Cross multiply
    28,181,240.07x = 42,258,536.41 × 10,917,528.63
  4. Step 4: Simplify right side
    28,181,240.07x = 461,358,780,932,309.12
  5. Step 5: Solve for x
    x = 461,358,780,932,309.12/28,181,240.07
  6. Step 6: Final answer
    x = 16,371,131.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.