Home / 12,297,430.80-18,446,146.20-9,905,946.30

Finding the Fourth Proportional to 12,297,430.80, 18,446,146.20 and 9,905,946.30

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Solution

The fourth proportional to 12,297,430.80, 18,446,146.20 and 9,905,946.30 is: 14,858,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297,430.80 : 18,446,146.20 = 9,905,946.30 : x
  2. Step 2: Convert to fraction form
    12,297,430.80/18,446,146.20 = 9,905,946.30/x
  3. Step 3: Cross multiply
    12,297,430.80x = 18,446,146.20 × 9,905,946.30
  4. Step 4: Simplify right side
    12,297,430.80x = 182,726,533,699,149.06
  5. Step 5: Solve for x
    x = 182,726,533,699,149.06/12,297,430.80
  6. Step 6: Final answer
    x = 14,858,919.45

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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.