Home / 9,408,457.12-12,990,984.26-7,229,565.76

Finding the Fourth Proportional to 9,408,457.12, 12,990,984.26 and 7,229,565.76

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Solution

The fourth proportional to 9,408,457.12, 12,990,984.26 and 7,229,565.76 is: 9,982,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408,457.12 : 12,990,984.26 = 7,229,565.76 : x
  2. Step 2: Convert to fraction form
    9,408,457.12/12,990,984.26 = 7,229,565.76/x
  3. Step 3: Cross multiply
    9,408,457.12x = 12,990,984.26 × 7,229,565.76
  4. Step 4: Simplify right side
    9,408,457.12x = 93,919,174,994,794.94
  5. Step 5: Solve for x
    x = 93,919,174,994,794.94/9,408,457.12
  6. Step 6: Final answer
    x = 9,982,420.48

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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.