Home / 20,732,417.28-31,107,607.04-11,136,599.04

Finding the Fourth Proportional to 20,732,417.28, 31,107,607.04 and 11,136,599.04

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Solution

The fourth proportional to 20,732,417.28, 31,107,607.04 and 11,136,599.04 is: 16,709,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,417.28 : 31,107,607.04 = 11,136,599.04 : x
  2. Step 2: Convert to fraction form
    20,732,417.28/31,107,607.04 = 11,136,599.04/x
  3. Step 3: Cross multiply
    20,732,417.28x = 31,107,607.04 × 11,136,599.04
  4. Step 4: Simplify right side
    20,732,417.28x = 346,432,946,698,361.19
  5. Step 5: Solve for x
    x = 346,432,946,698,361.19/20,732,417.28
  6. Step 6: Final answer
    x = 16,709,722.85

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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.