Home / 31,109,219.40-46,663,829.10-19,762,480.20

Finding the Fourth Proportional to 31,109,219.40, 46,663,829.10 and 19,762,480.20

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Solution

The fourth proportional to 31,109,219.40, 46,663,829.10 and 19,762,480.20 is: 29,643,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109,219.40 : 46,663,829.10 = 19,762,480.20 : x
  2. Step 2: Convert to fraction form
    31,109,219.40/46,663,829.10 = 19,762,480.20/x
  3. Step 3: Cross multiply
    31,109,219.40x = 46,663,829.10 × 19,762,480.20
  4. Step 4: Simplify right side
    31,109,219.40x = 922,192,998,644,933.88
  5. Step 5: Solve for x
    x = 922,192,998,644,933.88/31,109,219.40
  6. Step 6: Final answer
    x = 29,643,720.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.