Home / 20,355,027.48-28,090,154.94-11,062,597.50

Finding the Fourth Proportional to 20,355,027.48, 28,090,154.94 and 11,062,597.50

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Solution

The fourth proportional to 20,355,027.48, 28,090,154.94 and 11,062,597.50 is: 15,266,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,027.48 : 28,090,154.94 = 11,062,597.50 : x
  2. Step 2: Convert to fraction form
    20,355,027.48/28,090,154.94 = 11,062,597.50/x
  3. Step 3: Cross multiply
    20,355,027.48x = 28,090,154.94 × 11,062,597.50
  4. Step 4: Simplify right side
    20,355,027.48x = 310,750,077,813,856.69
  5. Step 5: Solve for x
    x = 310,750,077,813,856.69/20,355,027.48
  6. Step 6: Final answer
    x = 15,266,502.50

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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.