Home / 20,159,172.30-30,238,758.45-6,696,000.30

Finding the Fourth Proportional to 20,159,172.30, 30,238,758.45 and 6,696,000.30

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Solution

The fourth proportional to 20,159,172.30, 30,238,758.45 and 6,696,000.30 is: 10,044,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,172.30 : 30,238,758.45 = 6,696,000.30 : x
  2. Step 2: Convert to fraction form
    20,159,172.30/30,238,758.45 = 6,696,000.30/x
  3. Step 3: Cross multiply
    20,159,172.30x = 30,238,758.45 × 6,696,000.30
  4. Step 4: Simplify right side
    20,159,172.30x = 202,478,735,652,827.53
  5. Step 5: Solve for x
    x = 202,478,735,652,827.53/20,159,172.30
  6. Step 6: Final answer
    x = 10,044,000.45

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Similar ratio
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1.5x scale

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.