Home / 9,420,166.26-12,999,780.27-5,290,371.45

Finding the Fourth Proportional to 9,420,166.26, 12,999,780.27 and 5,290,371.45

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Solution

The fourth proportional to 9,420,166.26, 12,999,780.27 and 5,290,371.45 is: 7,300,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420,166.26 : 12,999,780.27 = 5,290,371.45 : x
  2. Step 2: Convert to fraction form
    9,420,166.26/12,999,780.27 = 5,290,371.45/x
  3. Step 3: Cross multiply
    9,420,166.26x = 12,999,780.27 × 5,290,371.45
  4. Step 4: Simplify right side
    9,420,166.26x = 68,773,666,396,681.29
  5. Step 5: Solve for x
    x = 68,773,666,396,681.29/9,420,166.26
  6. Step 6: Final answer
    x = 7,300,684.99

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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.