Home / 39,345,642.70-59,018,464.05-13,783,330.60

Finding the Fourth Proportional to 39,345,642.70, 59,018,464.05 and 13,783,330.60

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Solution

The fourth proportional to 39,345,642.70, 59,018,464.05 and 13,783,330.60 is: 20,674,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345,642.70 : 59,018,464.05 = 13,783,330.60 : x
  2. Step 2: Convert to fraction form
    39,345,642.70/59,018,464.05 = 13,783,330.60/x
  3. Step 3: Cross multiply
    39,345,642.70x = 59,018,464.05 × 13,783,330.60
  4. Step 4: Simplify right side
    39,345,642.70x = 813,471,001,505,364.88
  5. Step 5: Solve for x
    x = 813,471,001,505,364.88/39,345,642.70
  6. Step 6: Final answer
    x = 20,674,995.90

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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.