Home / 8,090,436.90-12,135,655.35-7,397,595.30

Finding the Fourth Proportional to 8,090,436.90, 12,135,655.35 and 7,397,595.30

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Solution

The fourth proportional to 8,090,436.90, 12,135,655.35 and 7,397,595.30 is: 11,096,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090,436.90 : 12,135,655.35 = 7,397,595.30 : x
  2. Step 2: Convert to fraction form
    8,090,436.90/12,135,655.35 = 7,397,595.30/x
  3. Step 3: Cross multiply
    8,090,436.90x = 12,135,655.35 × 7,397,595.30
  4. Step 4: Simplify right side
    8,090,436.90x = 89,774,666,979,579.84
  5. Step 5: Solve for x
    x = 89,774,666,979,579.84/8,090,436.90
  6. Step 6: Final answer
    x = 11,096,392.95

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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.