Home / 30,041,379.40-45,067,678.98-13,647,814.92

Finding the Fourth Proportional to 30,041,379.40, 45,067,678.98 and 13,647,814.92

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Solution

The fourth proportional to 30,041,379.40, 45,067,678.98 and 13,647,814.92 is: 20,474,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041,379.40 : 45,067,678.98 = 13,647,814.92 : x
  2. Step 2: Convert to fraction form
    30,041,379.40/45,067,678.98 = 13,647,814.92/x
  3. Step 3: Cross multiply
    30,041,379.40x = 45,067,678.98 × 13,647,814.92
  4. Step 4: Simplify right side
    30,041,379.40x = 615,075,341,593,014.38
  5. Step 5: Solve for x
    x = 615,075,341,593,014.38/30,041,379.40
  6. Step 6: Final answer
    x = 20,474,270.95

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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.