Home / 21,276,773.42-31,919,643.81-6,898,720.05

Finding the Fourth Proportional to 21,276,773.42, 31,919,643.81 and 6,898,720.05

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Solution

The fourth proportional to 21,276,773.42, 31,919,643.81 and 6,898,720.05 is: 10,349,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276,773.42 : 31,919,643.81 = 6,898,720.05 : x
  2. Step 2: Convert to fraction form
    21,276,773.42/31,919,643.81 = 6,898,720.05/x
  3. Step 3: Cross multiply
    21,276,773.42x = 31,919,643.81 × 6,898,720.05
  4. Step 4: Simplify right side
    21,276,773.42x = 220,204,686,740,905.38
  5. Step 5: Solve for x
    x = 220,204,686,740,905.38/21,276,773.42
  6. Step 6: Final answer
    x = 10,349,533.85

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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.