Home / 21,018,604.60-31,527,906.90-5,872,511.80

Finding the Fourth Proportional to 21,018,604.60, 31,527,906.90 and 5,872,511.80

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Solution

The fourth proportional to 21,018,604.60, 31,527,906.90 and 5,872,511.80 is: 8,808,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,018,604.60 : 31,527,906.90 = 5,872,511.80 : x
  2. Step 2: Convert to fraction form
    21,018,604.60/31,527,906.90 = 5,872,511.80/x
  3. Step 3: Cross multiply
    21,018,604.60x = 31,527,906.90 × 5,872,511.80
  4. Step 4: Simplify right side
    21,018,604.60x = 185,148,005,299,551.41
  5. Step 5: Solve for x
    x = 185,148,005,299,551.41/21,018,604.60
  6. Step 6: Final answer
    x = 8,808,767.70

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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.