Home / 13,637,926.29-18,820,777.45-7,757,409.74

Finding the Fourth Proportional to 13,637,926.29, 18,820,777.45 and 7,757,409.74

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Solution

The fourth proportional to 13,637,926.29, 18,820,777.45 and 7,757,409.74 is: 10,705,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,926.29 : 18,820,777.45 = 7,757,409.74 : x
  2. Step 2: Convert to fraction form
    13,637,926.29/18,820,777.45 = 7,757,409.74/x
  3. Step 3: Cross multiply
    13,637,926.29x = 18,820,777.45 × 7,757,409.74
  4. Step 4: Simplify right side
    13,637,926.29x = 146,000,482,333,738.56
  5. Step 5: Solve for x
    x = 146,000,482,333,738.56/13,637,926.29
  6. Step 6: Final answer
    x = 10,705,475.25

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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.