Home / 12,069,014.70-18,103,522.05-11,265,948.30

Finding the Fourth Proportional to 12,069,014.70, 18,103,522.05 and 11,265,948.30

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Solution

The fourth proportional to 12,069,014.70, 18,103,522.05 and 11,265,948.30 is: 16,898,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,014.70 : 18,103,522.05 = 11,265,948.30 : x
  2. Step 2: Convert to fraction form
    12,069,014.70/18,103,522.05 = 11,265,948.30/x
  3. Step 3: Cross multiply
    12,069,014.70x = 18,103,522.05 × 11,265,948.30
  4. Step 4: Simplify right side
    12,069,014.70x = 203,953,343,463,210.03
  5. Step 5: Solve for x
    x = 203,953,343,463,210.03/12,069,014.70
  6. Step 6: Final answer
    x = 16,898,922.45

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Double scale
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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.