Home / 9,171,816.56-12,657,147.76-5,042,113.84

Finding the Fourth Proportional to 9,171,816.56, 12,657,147.76 and 5,042,113.84

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Solution

The fourth proportional to 9,171,816.56, 12,657,147.76 and 5,042,113.84 is: 6,958,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,816.56 : 12,657,147.76 = 5,042,113.84 : x
  2. Step 2: Convert to fraction form
    9,171,816.56/12,657,147.76 = 5,042,113.84/x
  3. Step 3: Cross multiply
    9,171,816.56x = 12,657,147.76 × 5,042,113.84
  4. Step 4: Simplify right side
    9,171,816.56x = 63,818,779,895,620.99
  5. Step 5: Solve for x
    x = 63,818,779,895,620.99/9,171,816.56
  6. Step 6: Final answer
    x = 6,958,139.59

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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.