Home / 7,877,999.36-11,812,274.40-3,612,824

Finding the Fourth Proportional to 7,877,999.36, 11,812,274.40 and 3,612,824

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Solution

The fourth proportional to 7,877,999.36, 11,812,274.40 and 3,612,824 is: 5,417,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,999.36 : 11,812,274.40 = 3,612,824 : x
  2. Step 2: Convert to fraction form
    7,877,999.36/11,812,274.40 = 3,612,824/x
  3. Step 3: Cross multiply
    7,877,999.36x = 11,812,274.40 × 3,612,824
  4. Step 4: Simplify right side
    7,877,999.36x = 42,675,668,446,905.60
  5. Step 5: Solve for x
    x = 42,675,668,446,905.60/7,877,999.36
  6. Step 6: Final answer
    x = 5,417,069.30

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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.