Home / 13,176,350.95-19,767,934.04-7,716,057.09

Finding the Fourth Proportional to 13,176,350.95, 19,767,934.04 and 7,716,057.09

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Solution

The fourth proportional to 13,176,350.95, 19,767,934.04 and 7,716,057.09 is: 11,576,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,350.95 : 19,767,934.04 = 7,716,057.09 : x
  2. Step 2: Convert to fraction form
    13,176,350.95/19,767,934.04 = 7,716,057.09/x
  3. Step 3: Cross multiply
    13,176,350.95x = 19,767,934.04 × 7,716,057.09
  4. Step 4: Simplify right side
    13,176,350.95x = 152,530,507,603,994.34
  5. Step 5: Solve for x
    x = 152,530,507,603,994.34/13,176,350.95
  6. Step 6: Final answer
    x = 11,576,081.13

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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.