Home / 28,662,353.52-39,553,772.76-15,609,831

Finding the Fourth Proportional to 28,662,353.52, 39,553,772.76 and 15,609,831

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Solution

The fourth proportional to 28,662,353.52, 39,553,772.76 and 15,609,831 is: 21,541,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,353.52 : 39,553,772.76 = 15,609,831 : x
  2. Step 2: Convert to fraction form
    28,662,353.52/39,553,772.76 = 15,609,831/x
  3. Step 3: Cross multiply
    28,662,353.52x = 39,553,772.76 × 15,609,831
  4. Step 4: Simplify right side
    28,662,353.52x = 617,427,708,196,003.50
  5. Step 5: Solve for x
    x = 617,427,708,196,003.50/28,662,353.52
  6. Step 6: Final answer
    x = 21,541,416.96

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1.5x scale

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.