Home / 30,344,419.24-41,879,133.51-19,899,223.18

Finding the Fourth Proportional to 30,344,419.24, 41,879,133.51 and 19,899,223.18

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Solution

The fourth proportional to 30,344,419.24, 41,879,133.51 and 19,899,223.18 is: 27,463,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,419.24 : 41,879,133.51 = 19,899,223.18 : x
  2. Step 2: Convert to fraction form
    30,344,419.24/41,879,133.51 = 19,899,223.18/x
  3. Step 3: Cross multiply
    30,344,419.24x = 41,879,133.51 × 19,899,223.18
  4. Step 4: Simplify right side
    30,344,419.24x = 833,362,224,406,860.62
  5. Step 5: Solve for x
    x = 833,362,224,406,860.62/30,344,419.24
  6. Step 6: Final answer
    x = 27,463,442.87

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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.