Home / 12,035,961.08-16,605,267.38-7,908,215.40

Finding the Fourth Proportional to 12,035,961.08, 16,605,267.38 and 7,908,215.40

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Solution

The fourth proportional to 12,035,961.08, 16,605,267.38 and 7,908,215.40 is: 10,910,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035,961.08 : 16,605,267.38 = 7,908,215.40 : x
  2. Step 2: Convert to fraction form
    12,035,961.08/16,605,267.38 = 7,908,215.40/x
  3. Step 3: Cross multiply
    12,035,961.08x = 16,605,267.38 × 7,908,215.40
  4. Step 4: Simplify right side
    12,035,961.08x = 131,318,031,215,633.67
  5. Step 5: Solve for x
    x = 131,318,031,215,633.67/12,035,961.08
  6. Step 6: Final answer
    x = 10,910,473.23

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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.