Home / 7,881,005.30-11,812,322.55-3,621,604.10

Finding the Fourth Proportional to 7,881,005.30, 11,812,322.55 and 3,621,604.10

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Solution

The fourth proportional to 7,881,005.30, 11,812,322.55 and 3,621,604.10 is: 5,428,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,005.30 : 11,812,322.55 = 3,621,604.10 : x
  2. Step 2: Convert to fraction form
    7,881,005.30/11,812,322.55 = 3,621,604.10/x
  3. Step 3: Cross multiply
    7,881,005.30x = 11,812,322.55 × 3,621,604.10
  4. Step 4: Simplify right side
    7,881,005.30x = 42,779,555,777,602.46
  5. Step 5: Solve for x
    x = 42,779,555,777,602.46/7,881,005.30
  6. Step 6: Final answer
    x = 5,428,185.13

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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.