Home / 28,317,913.20-39,068,642.52-16,709,667.12

Finding the Fourth Proportional to 28,317,913.20, 39,068,642.52 and 16,709,667.12

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Solution

The fourth proportional to 28,317,913.20, 39,068,642.52 and 16,709,667.12 is: 23,053,394.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,913.20 : 39,068,642.52 = 16,709,667.12 : x
  2. Step 2: Convert to fraction form
    28,317,913.20/39,068,642.52 = 16,709,667.12/x
  3. Step 3: Cross multiply
    28,317,913.20x = 39,068,642.52 × 16,709,667.12
  4. Step 4: Simplify right side
    28,317,913.20x = 652,824,011,339,478
  5. Step 5: Solve for x
    x = 652,824,011,339,478/28,317,913.20
  6. Step 6: Final answer
    x = 23,053,394.04

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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.