Home / 14,282,842.25-19,716,353.47-9,642,909.86

Finding the Fourth Proportional to 14,282,842.25, 19,716,353.47 and 9,642,909.86

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Solution

The fourth proportional to 14,282,842.25, 19,716,353.47 and 9,642,909.86 is: 13,311,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282,842.25 : 19,716,353.47 = 9,642,909.86 : x
  2. Step 2: Convert to fraction form
    14,282,842.25/19,716,353.47 = 9,642,909.86/x
  3. Step 3: Cross multiply
    14,282,842.25x = 19,716,353.47 × 9,642,909.86
  4. Step 4: Simplify right side
    14,282,842.25x = 190,123,019,304,291.84
  5. Step 5: Solve for x
    x = 190,123,019,304,291.84/14,282,842.25
  6. Step 6: Final answer
    x = 13,311,287.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.