Home / 20,360,323.84-30,555,056.65-7,406,449.47

Finding the Fourth Proportional to 20,360,323.84, 30,555,056.65 and 7,406,449.47

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Solution

The fourth proportional to 20,360,323.84, 30,555,056.65 and 7,406,449.47 is: 11,114,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,323.84 : 30,555,056.65 = 7,406,449.47 : x
  2. Step 2: Convert to fraction form
    20,360,323.84/30,555,056.65 = 7,406,449.47/x
  3. Step 3: Cross multiply
    20,360,323.84x = 30,555,056.65 × 7,406,449.47
  4. Step 4: Simplify right side
    20,360,323.84x = 226,304,482,959,921.06
  5. Step 5: Solve for x
    x = 226,304,482,959,921.06/20,360,323.84
  6. Step 6: Final answer
    x = 11,114,974.63

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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.