Home / 20,737,718.40-31,102,430.40-9,954,998.40

Finding the Fourth Proportional to 20,737,718.40, 31,102,430.40 and 9,954,998.40

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Solution

The fourth proportional to 20,737,718.40, 31,102,430.40 and 9,954,998.40 is: 14,930,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,718.40 : 31,102,430.40 = 9,954,998.40 : x
  2. Step 2: Convert to fraction form
    20,737,718.40/31,102,430.40 = 9,954,998.40/x
  3. Step 3: Cross multiply
    20,737,718.40x = 31,102,430.40 × 9,954,998.40
  4. Step 4: Simplify right side
    20,737,718.40x = 309,624,644,868,111.38
  5. Step 5: Solve for x
    x = 309,624,644,868,111.38/20,737,718.40
  6. Step 6: Final answer
    x = 14,930,506.77

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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.