Home / 30,146,458.08-45,219,960.40-8,581,051.20

Finding the Fourth Proportional to 30,146,458.08, 45,219,960.40 and 8,581,051.20

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Solution

The fourth proportional to 30,146,458.08, 45,219,960.40 and 8,581,051.20 is: 12,871,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,458.08 : 45,219,960.40 = 8,581,051.20 : x
  2. Step 2: Convert to fraction form
    30,146,458.08/45,219,960.40 = 8,581,051.20/x
  3. Step 3: Cross multiply
    30,146,458.08x = 45,219,960.40 × 8,581,051.20
  4. Step 4: Simplify right side
    30,146,458.08x = 388,034,795,454,372.44
  5. Step 5: Solve for x
    x = 388,034,795,454,372.44/30,146,458.08
  6. Step 6: Final answer
    x = 12,871,654.59

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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.