Home / 21,863,531.40-32,815,125.90-11,088,328.20

Finding the Fourth Proportional to 21,863,531.40, 32,815,125.90 and 11,088,328.20

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Solution

The fourth proportional to 21,863,531.40, 32,815,125.90 and 11,088,328.20 is: 16,642,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,531.40 : 32,815,125.90 = 11,088,328.20 : x
  2. Step 2: Convert to fraction form
    21,863,531.40/32,815,125.90 = 11,088,328.20/x
  3. Step 3: Cross multiply
    21,863,531.40x = 32,815,125.90 × 11,088,328.20
  4. Step 4: Simplify right side
    21,863,531.40x = 363,864,885,903,520.31
  5. Step 5: Solve for x
    x = 363,864,885,903,520.31/21,863,531.40
  6. Step 6: Final answer
    x = 16,642,548.69

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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.