Home / 12,553,212.20-18,829,818.30-8,886,269.40

Finding the Fourth Proportional to 12,553,212.20, 18,829,818.30 and 8,886,269.40

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Solution

The fourth proportional to 12,553,212.20, 18,829,818.30 and 8,886,269.40 is: 13,329,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,212.20 : 18,829,818.30 = 8,886,269.40 : x
  2. Step 2: Convert to fraction form
    12,553,212.20/18,829,818.30 = 8,886,269.40/x
  3. Step 3: Cross multiply
    12,553,212.20x = 18,829,818.30 × 8,886,269.40
  4. Step 4: Simplify right side
    12,553,212.20x = 167,326,838,166,850.03
  5. Step 5: Solve for x
    x = 167,326,838,166,850.03/12,553,212.20
  6. Step 6: Final answer
    x = 13,329,404.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.