Home / 10,243,505.68-14,136,008.82-5,659,794.40

Finding the Fourth Proportional to 10,243,505.68, 14,136,008.82 and 5,659,794.40

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Solution

The fourth proportional to 10,243,505.68, 14,136,008.82 and 5,659,794.40 is: 7,810,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243,505.68 : 14,136,008.82 = 5,659,794.40 : x
  2. Step 2: Convert to fraction form
    10,243,505.68/14,136,008.82 = 5,659,794.40/x
  3. Step 3: Cross multiply
    10,243,505.68x = 14,136,008.82 × 5,659,794.40
  4. Step 4: Simplify right side
    10,243,505.68x = 80,006,903,557,786.61
  5. Step 5: Solve for x
    x = 80,006,903,557,786.61/10,243,505.68
  6. Step 6: Final answer
    x = 7,810,500.24

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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.