Home / 30,480,013.41-42,051,559.77-18,080,609.10

Finding the Fourth Proportional to 30,480,013.41, 42,051,559.77 and 18,080,609.10

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Solution

The fourth proportional to 30,480,013.41, 42,051,559.77 and 18,080,609.10 is: 24,944,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480,013.41 : 42,051,559.77 = 18,080,609.10 : x
  2. Step 2: Convert to fraction form
    30,480,013.41/42,051,559.77 = 18,080,609.10/x
  3. Step 3: Cross multiply
    30,480,013.41x = 42,051,559.77 × 18,080,609.10
  4. Step 4: Simplify right side
    30,480,013.41x = 760,317,814,246,656
  5. Step 5: Solve for x
    x = 760,317,814,246,656/30,480,013.41
  6. Step 6: Final answer
    x = 24,944,799.20

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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.