Home / 28,446,603.96-39,256,313.38-15,393,862.86

Finding the Fourth Proportional to 28,446,603.96, 39,256,313.38 and 15,393,862.86

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Solution

The fourth proportional to 28,446,603.96, 39,256,313.38 and 15,393,862.86 is: 21,243,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,603.96 : 39,256,313.38 = 15,393,862.86 : x
  2. Step 2: Convert to fraction form
    28,446,603.96/39,256,313.38 = 15,393,862.86/x
  3. Step 3: Cross multiply
    28,446,603.96x = 39,256,313.38 × 15,393,862.86
  4. Step 4: Simplify right side
    28,446,603.96x = 604,306,304,560,903.12
  5. Step 5: Solve for x
    x = 604,306,304,560,903.12/28,446,603.96
  6. Step 6: Final answer
    x = 21,243,530.70

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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.