Home / 7,820,904.56-11,732,111-2,428,107

Finding the Fourth Proportional to 7,820,904.56, 11,732,111 and 2,428,107

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Solution

The fourth proportional to 7,820,904.56, 11,732,111 and 2,428,107 is: 3,642,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,904.56 : 11,732,111 = 2,428,107 : x
  2. Step 2: Convert to fraction form
    7,820,904.56/11,732,111 = 2,428,107/x
  3. Step 3: Cross multiply
    7,820,904.56x = 11,732,111 × 2,428,107
  4. Step 4: Simplify right side
    7,820,904.56x = 28,486,820,843,877
  5. Step 5: Solve for x
    x = 28,486,820,843,877/7,820,904.56
  6. Step 6: Final answer
    x = 3,642,394.64

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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.