Home / 7,776,005.40-11,664,008.10-2,385,487.80

Finding the Fourth Proportional to 7,776,005.40, 11,664,008.10 and 2,385,487.80

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Solution

The fourth proportional to 7,776,005.40, 11,664,008.10 and 2,385,487.80 is: 3,578,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,005.40 : 11,664,008.10 = 2,385,487.80 : x
  2. Step 2: Convert to fraction form
    7,776,005.40/11,664,008.10 = 2,385,487.80/x
  3. Step 3: Cross multiply
    7,776,005.40x = 11,664,008.10 × 2,385,487.80
  4. Step 4: Simplify right side
    7,776,005.40x = 27,824,349,021,651.18
  5. Step 5: Solve for x
    x = 27,824,349,021,651.18/7,776,005.40
  6. Step 6: Final answer
    x = 3,578,231.70

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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.