Home / 21,893,875.70-32,840,813.55-13,831,718.90

Finding the Fourth Proportional to 21,893,875.70, 32,840,813.55 and 13,831,718.90

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Solution

The fourth proportional to 21,893,875.70, 32,840,813.55 and 13,831,718.90 is: 20,747,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,875.70 : 32,840,813.55 = 13,831,718.90 : x
  2. Step 2: Convert to fraction form
    21,893,875.70/32,840,813.55 = 13,831,718.90/x
  3. Step 3: Cross multiply
    21,893,875.70x = 32,840,813.55 × 13,831,718.90
  4. Step 4: Simplify right side
    21,893,875.70x = 454,244,901,470,911.12
  5. Step 5: Solve for x
    x = 454,244,901,470,911.12/21,893,875.70
  6. Step 6: Final answer
    x = 20,747,578.35

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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.