Home / 7,877,570.45-11,816,355.72-2,490,004.58

Finding the Fourth Proportional to 7,877,570.45, 11,816,355.72 and 2,490,004.58

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Solution

The fourth proportional to 7,877,570.45, 11,816,355.72 and 2,490,004.58 is: 3,735,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,570.45 : 11,816,355.72 = 2,490,004.58 : x
  2. Step 2: Convert to fraction form
    7,877,570.45/11,816,355.72 = 2,490,004.58/x
  3. Step 3: Cross multiply
    7,877,570.45x = 11,816,355.72 × 2,490,004.58
  4. Step 4: Simplify right side
    7,877,570.45x = 29,422,779,861,709.20
  5. Step 5: Solve for x
    x = 29,422,779,861,709.20/7,877,570.45
  6. Step 6: Final answer
    x = 3,735,006.88

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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.