Home / 13,581,807.63-18,743,249.13-7,470,396.51

Finding the Fourth Proportional to 13,581,807.63, 18,743,249.13 and 7,470,396.51

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Solution

The fourth proportional to 13,581,807.63, 18,743,249.13 and 7,470,396.51 is: 10,309,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,807.63 : 18,743,249.13 = 7,470,396.51 : x
  2. Step 2: Convert to fraction form
    13,581,807.63/18,743,249.13 = 7,470,396.51/x
  3. Step 3: Cross multiply
    13,581,807.63x = 18,743,249.13 × 7,470,396.51
  4. Step 4: Simplify right side
    13,581,807.63x = 140,019,502,886,812.53
  5. Step 5: Solve for x
    x = 140,019,502,886,812.53/13,581,807.63
  6. Step 6: Final answer
    x = 10,309,342.22

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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.