Home / 26,731,001.42-36,905,442.63-18,372,763.10

Finding the Fourth Proportional to 26,731,001.42, 36,905,442.63 and 18,372,763.10

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Solution

The fourth proportional to 26,731,001.42, 36,905,442.63 and 18,372,763.10 is: 25,365,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731,001.42 : 36,905,442.63 = 18,372,763.10 : x
  2. Step 2: Convert to fraction form
    26,731,001.42/36,905,442.63 = 18,372,763.10/x
  3. Step 3: Cross multiply
    26,731,001.42x = 36,905,442.63 × 18,372,763.10
  4. Step 4: Simplify right side
    26,731,001.42x = 678,054,954,541,631
  5. Step 5: Solve for x
    x = 678,054,954,541,631/26,731,001.42
  6. Step 6: Final answer
    x = 25,365,864.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.