Home / 11,421,080.57-15,764,619.95-7,346,699.93

Finding the Fourth Proportional to 11,421,080.57, 15,764,619.95 and 7,346,699.93

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Solution

The fourth proportional to 11,421,080.57, 15,764,619.95 and 7,346,699.93 is: 10,140,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421,080.57 : 15,764,619.95 = 7,346,699.93 : x
  2. Step 2: Convert to fraction form
    11,421,080.57/15,764,619.95 = 7,346,699.93/x
  3. Step 3: Cross multiply
    11,421,080.57x = 15,764,619.95 × 7,346,699.93
  4. Step 4: Simplify right side
    11,421,080.57x = 115,817,932,246,408.09
  5. Step 5: Solve for x
    x = 115,817,932,246,408.09/11,421,080.57
  6. Step 6: Final answer
    x = 10,140,715.81

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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.