Home / 26,331,645.84-36,323,038.48-15,317,156.40

Finding the Fourth Proportional to 26,331,645.84, 36,323,038.48 and 15,317,156.40

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Solution

The fourth proportional to 26,331,645.84, 36,323,038.48 and 15,317,156.40 is: 21,129,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,331,645.84 : 36,323,038.48 = 15,317,156.40 : x
  2. Step 2: Convert to fraction form
    26,331,645.84/36,323,038.48 = 15,317,156.40/x
  3. Step 3: Cross multiply
    26,331,645.84x = 36,323,038.48 × 15,317,156.40
  4. Step 4: Simplify right side
    26,331,645.84x = 556,365,661,321,378.25
  5. Step 5: Solve for x
    x = 556,365,661,321,378.25/26,331,645.84
  6. Step 6: Final answer
    x = 21,129,163.92

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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.