Home / 28,516,953.92-39,353,406.88-15,464,209.39

Finding the Fourth Proportional to 28,516,953.92, 39,353,406.88 and 15,464,209.39

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Solution

The fourth proportional to 28,516,953.92, 39,353,406.88 and 15,464,209.39 is: 21,340,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,953.92 : 39,353,406.88 = 15,464,209.39 : x
  2. Step 2: Convert to fraction form
    28,516,953.92/39,353,406.88 = 15,464,209.39/x
  3. Step 3: Cross multiply
    28,516,953.92x = 39,353,406.88 × 15,464,209.39
  4. Step 4: Simplify right side
    28,516,953.92x = 608,569,324,065,142.50
  5. Step 5: Solve for x
    x = 608,569,324,065,142.50/28,516,953.92
  6. Step 6: Final answer
    x = 21,340,614.63

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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.