Home / 21,851,153.40-30,154,587.08-12,061,594.85

Finding the Fourth Proportional to 21,851,153.40, 30,154,587.08 and 12,061,594.85

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Solution

The fourth proportional to 21,851,153.40, 30,154,587.08 and 12,061,594.85 is: 16,644,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,153.40 : 30,154,587.08 = 12,061,594.85 : x
  2. Step 2: Convert to fraction form
    21,851,153.40/30,154,587.08 = 12,061,594.85/x
  3. Step 3: Cross multiply
    21,851,153.40x = 30,154,587.08 × 12,061,594.85
  4. Step 4: Simplify right side
    21,851,153.40x = 363,712,412,243,083
  5. Step 5: Solve for x
    x = 363,712,412,243,083/21,851,153.40
  6. Step 6: Final answer
    x = 16,644,998.35

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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.