Home / 9,642,401.12-13,306,675.21-5,291,892.23

Finding the Fourth Proportional to 9,642,401.12, 13,306,675.21 and 5,291,892.23

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Solution

The fourth proportional to 9,642,401.12, 13,306,675.21 and 5,291,892.23 is: 7,302,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,401.12 : 13,306,675.21 = 5,291,892.23 : x
  2. Step 2: Convert to fraction form
    9,642,401.12/13,306,675.21 = 5,291,892.23/x
  3. Step 3: Cross multiply
    9,642,401.12x = 13,306,675.21 × 5,291,892.23
  4. Step 4: Simplify right side
    9,642,401.12x = 70,417,491,071,169.50
  5. Step 5: Solve for x
    x = 70,417,491,071,169.50/9,642,401.12
  6. Step 6: Final answer
    x = 7,302,899.99

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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.