Home / 34,785,520.78-48,008,447.34-21,034,583.32

Finding the Fourth Proportional to 34,785,520.78, 48,008,447.34 and 21,034,583.32

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Solution

The fourth proportional to 34,785,520.78, 48,008,447.34 and 21,034,583.32 is: 29,030,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785,520.78 : 48,008,447.34 = 21,034,583.32 : x
  2. Step 2: Convert to fraction form
    34,785,520.78/48,008,447.34 = 21,034,583.32/x
  3. Step 3: Cross multiply
    34,785,520.78x = 48,008,447.34 × 21,034,583.32
  4. Step 4: Simplify right side
    34,785,520.78x = 1,009,837,685,637,062.50
  5. Step 5: Solve for x
    x = 1,009,837,685,637,062.50/34,785,520.78
  6. Step 6: Final answer
    x = 29,030,402.97

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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.