Home / 30,730,501.04-42,408,004.38-16,979,367.20

Finding the Fourth Proportional to 30,730,501.04, 42,408,004.38 and 16,979,367.20

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Solution

The fourth proportional to 30,730,501.04, 42,408,004.38 and 16,979,367.20 is: 23,431,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730,501.04 : 42,408,004.38 = 16,979,367.20 : x
  2. Step 2: Convert to fraction form
    30,730,501.04/42,408,004.38 = 16,979,367.20/x
  3. Step 3: Cross multiply
    30,730,501.04x = 42,408,004.38 × 16,979,367.20
  4. Step 4: Simplify right side
    30,730,501.04x = 720,061,078,587,228.38
  5. Step 5: Solve for x
    x = 720,061,078,587,228.38/30,730,501.04
  6. Step 6: Final answer
    x = 23,431,478.64

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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.