Home / 30,342,445.80-45,520,222.30-9,069,460.20

Finding the Fourth Proportional to 30,342,445.80, 45,520,222.30 and 9,069,460.20

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Solution

The fourth proportional to 30,342,445.80, 45,520,222.30 and 9,069,460.20 is: 13,606,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342,445.80 : 45,520,222.30 = 9,069,460.20 : x
  2. Step 2: Convert to fraction form
    30,342,445.80/45,520,222.30 = 9,069,460.20/x
  3. Step 3: Cross multiply
    30,342,445.80x = 45,520,222.30 × 9,069,460.20
  4. Step 4: Simplify right side
    30,342,445.80x = 412,843,844,445,002.38
  5. Step 5: Solve for x
    x = 412,843,844,445,002.38/30,342,445.80
  6. Step 6: Final answer
    x = 13,606,149.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.