Home / 30,733,328.40-42,414,410.90-17,503,064.78

Finding the Fourth Proportional to 30,733,328.40, 42,414,410.90 and 17,503,064.78

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Solution

The fourth proportional to 30,733,328.40, 42,414,410.90 and 17,503,064.78 is: 24,155,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,733,328.40 : 42,414,410.90 = 17,503,064.78 : x
  2. Step 2: Convert to fraction form
    30,733,328.40/42,414,410.90 = 17,503,064.78/x
  3. Step 3: Cross multiply
    30,733,328.40x = 42,414,410.90 × 17,503,064.78
  4. Step 4: Simplify right side
    30,733,328.40x = 742,382,181,288,650.75
  5. Step 5: Solve for x
    x = 742,382,181,288,650.75/30,733,328.40
  6. Step 6: Final answer
    x = 24,155,606.31

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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.