Home / 11,866,141-17,788,655.58-4,291,422.76

Finding the Fourth Proportional to 11,866,141, 17,788,655.58 and 4,291,422.76

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Solution

The fourth proportional to 11,866,141, 17,788,655.58 and 4,291,422.76 is: 6,433,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866,141 : 17,788,655.58 = 4,291,422.76 : x
  2. Step 2: Convert to fraction form
    11,866,141/17,788,655.58 = 4,291,422.76/x
  3. Step 3: Cross multiply
    11,866,141x = 17,788,655.58 × 4,291,422.76
  4. Step 4: Simplify right side
    11,866,141x = 76,338,641,425,812.98
  5. Step 5: Solve for x
    x = 76,338,641,425,812.98/11,866,141
  6. Step 6: Final answer
    x = 6,433,316.56

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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.