Home / 12,420,569.96-17,140,210.96-6,988,049

Finding the Fourth Proportional to 12,420,569.96, 17,140,210.96 and 6,988,049

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Solution

The fourth proportional to 12,420,569.96, 17,140,210.96 and 6,988,049 is: 9,643,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,569.96 : 17,140,210.96 = 6,988,049 : x
  2. Step 2: Convert to fraction form
    12,420,569.96/17,140,210.96 = 6,988,049/x
  3. Step 3: Cross multiply
    12,420,569.96x = 17,140,210.96 × 6,988,049
  4. Step 4: Simplify right side
    12,420,569.96x = 119,776,634,058,817.05
  5. Step 5: Solve for x
    x = 119,776,634,058,817.05/12,420,569.96
  6. Step 6: Final answer
    x = 9,643,408.83

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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.