Home / 26,730,999.42-36,905,439.87-18,372,761.10

Finding the Fourth Proportional to 26,730,999.42, 36,905,439.87 and 18,372,761.10

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Solution

The fourth proportional to 26,730,999.42, 36,905,439.87 and 18,372,761.10 is: 25,365,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730,999.42 : 36,905,439.87 = 18,372,761.10 : x
  2. Step 2: Convert to fraction form
    26,730,999.42/36,905,439.87 = 18,372,761.10/x
  3. Step 3: Cross multiply
    26,730,999.42x = 36,905,439.87 × 18,372,761.10
  4. Step 4: Simplify right side
    26,730,999.42x = 678,054,830,021,925.12
  5. Step 5: Solve for x
    x = 678,054,830,021,925.12/26,730,999.42
  6. Step 6: Final answer
    x = 25,365,861.54

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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.