Home / 8,392,281.06-12,588,379.35-7,251,572.40

Finding the Fourth Proportional to 8,392,281.06, 12,588,379.35 and 7,251,572.40

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Solution

The fourth proportional to 8,392,281.06, 12,588,379.35 and 7,251,572.40 is: 10,877,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392,281.06 : 12,588,379.35 = 7,251,572.40 : x
  2. Step 2: Convert to fraction form
    8,392,281.06/12,588,379.35 = 7,251,572.40/x
  3. Step 3: Cross multiply
    8,392,281.06x = 12,588,379.35 × 7,251,572.40
  4. Step 4: Simplify right side
    8,392,281.06x = 91,285,544,255,189.94
  5. Step 5: Solve for x
    x = 91,285,544,255,189.94/8,392,281.06
  6. Step 6: Final answer
    x = 10,877,322.10

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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.