Home / 13,629,216.53-18,808,377.28-7,434,398.24

Finding the Fourth Proportional to 13,629,216.53, 18,808,377.28 and 7,434,398.24

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Solution

The fourth proportional to 13,629,216.53, 18,808,377.28 and 7,434,398.24 is: 10,259,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629,216.53 : 18,808,377.28 = 7,434,398.24 : x
  2. Step 2: Convert to fraction form
    13,629,216.53/18,808,377.28 = 7,434,398.24/x
  3. Step 3: Cross multiply
    13,629,216.53x = 18,808,377.28 × 7,434,398.24
  4. Step 4: Simplify right side
    13,629,216.53x = 139,828,966,882,081.05
  5. Step 5: Solve for x
    x = 139,828,966,882,081.05/13,629,216.53
  6. Step 6: Final answer
    x = 10,259,501.46

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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.