Home / 28,120,703.00-42,180,749.67-21,338,925.35

Finding the Fourth Proportional to 28,120,703.00, 42,180,749.67 and 21,338,925.35

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Solution

The fourth proportional to 28,120,703.00, 42,180,749.67 and 21,338,925.35 is: 32,008,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,120,703.00 : 42,180,749.67 = 21,338,925.35 : x
  2. Step 2: Convert to fraction form
    28,120,703.00/42,180,749.67 = 21,338,925.35/x
  3. Step 3: Cross multiply
    28,120,703.00x = 42,180,749.67 × 21,338,925.35
  4. Step 4: Simplify right side
    28,120,703.00x = 900,091,868,284,284.25
  5. Step 5: Solve for x
    x = 900,091,868,284,284.25/28,120,703.00
  6. Step 6: Final answer
    x = 32,008,156.71

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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.