Home / 30,509,740.80-45,727,286.40-13,452,307.20

Finding the Fourth Proportional to 30,509,740.80, 45,727,286.40 and 13,452,307.20

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Solution

The fourth proportional to 30,509,740.80, 45,727,286.40 and 13,452,307.20 is: 20,162,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,509,740.80 : 45,727,286.40 = 13,452,307.20 : x
  2. Step 2: Convert to fraction form
    30,509,740.80/45,727,286.40 = 13,452,307.20/x
  3. Step 3: Cross multiply
    30,509,740.80x = 45,727,286.40 × 13,452,307.20
  4. Step 4: Simplify right side
    30,509,740.80x = 615,137,504,075,182
  5. Step 5: Solve for x
    x = 615,137,504,075,182/30,509,740.80
  6. Step 6: Final answer
    x = 20,162,003.61

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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.