Home / 22,361,813.08-30,878,661.18-21,213,894.04

Finding the Fourth Proportional to 22,361,813.08, 30,878,661.18 and 21,213,894.04

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Solution

The fourth proportional to 22,361,813.08, 30,878,661.18 and 21,213,894.04 is: 29,293,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361,813.08 : 30,878,661.18 = 21,213,894.04 : x
  2. Step 2: Convert to fraction form
    22,361,813.08/30,878,661.18 = 21,213,894.04/x
  3. Step 3: Cross multiply
    22,361,813.08x = 30,878,661.18 × 21,213,894.04
  4. Step 4: Simplify right side
    22,361,813.08x = 655,056,646,369,581.38
  5. Step 5: Solve for x
    x = 655,056,646,369,581.38/22,361,813.08
  6. Step 6: Final answer
    x = 29,293,539.13

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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.