Home / 30,730,592.04-42,408,129.96-16,979,458.20

Finding the Fourth Proportional to 30,730,592.04, 42,408,129.96 and 16,979,458.20

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Solution

The fourth proportional to 30,730,592.04, 42,408,129.96 and 16,979,458.20 is: 23,431,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730,592.04 : 42,408,129.96 = 16,979,458.20 : x
  2. Step 2: Convert to fraction form
    30,730,592.04/42,408,129.96 = 16,979,458.20/x
  3. Step 3: Cross multiply
    30,730,592.04x = 42,408,129.96 × 16,979,458.20
  4. Step 4: Simplify right side
    30,730,592.04x = 720,067,069,995,987.62
  5. Step 5: Solve for x
    x = 720,067,069,995,987.62/30,730,592.04
  6. Step 6: Final answer
    x = 23,431,604.22

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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.