Home / 30,802,804.32-42,508,371.20-16,863,924.16

Finding the Fourth Proportional to 30,802,804.32, 42,508,371.20 and 16,863,924.16

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Solution

The fourth proportional to 30,802,804.32, 42,508,371.20 and 16,863,924.16 is: 23,272,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,804.32 : 42,508,371.20 = 16,863,924.16 : x
  2. Step 2: Convert to fraction form
    30,802,804.32/42,508,371.20 = 16,863,924.16/x
  3. Step 3: Cross multiply
    30,802,804.32x = 42,508,371.20 × 16,863,924.16
  4. Step 4: Simplify right side
    30,802,804.32x = 716,857,948,081,928.25
  5. Step 5: Solve for x
    x = 716,857,948,081,928.25/30,802,804.32
  6. Step 6: Final answer
    x = 23,272,489.76

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1.5x scale

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.