Home / 22,890,692.10-34,336,038.15-21,136,936.80

Finding the Fourth Proportional to 22,890,692.10, 34,336,038.15 and 21,136,936.80

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Solution

The fourth proportional to 22,890,692.10, 34,336,038.15 and 21,136,936.80 is: 31,705,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890,692.10 : 34,336,038.15 = 21,136,936.80 : x
  2. Step 2: Convert to fraction form
    22,890,692.10/34,336,038.15 = 21,136,936.80/x
  3. Step 3: Cross multiply
    22,890,692.10x = 34,336,038.15 × 21,136,936.80
  4. Step 4: Simplify right side
    22,890,692.10x = 725,758,668,338,938.88
  5. Step 5: Solve for x
    x = 725,758,668,338,938.88/22,890,692.10
  6. Step 6: Final answer
    x = 31,705,405.20

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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.