Home / 21,339,409.61-32,009,197.47-5,165,334.93

Finding the Fourth Proportional to 21,339,409.61, 32,009,197.47 and 5,165,334.93

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Solution

The fourth proportional to 21,339,409.61, 32,009,197.47 and 5,165,334.93 is: 7,748,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,409.61 : 32,009,197.47 = 5,165,334.93 : x
  2. Step 2: Convert to fraction form
    21,339,409.61/32,009,197.47 = 5,165,334.93/x
  3. Step 3: Cross multiply
    21,339,409.61x = 32,009,197.47 × 5,165,334.93
  4. Step 4: Simplify right side
    21,339,409.61x = 165,338,225,873,723.09
  5. Step 5: Solve for x
    x = 165,338,225,873,723.09/21,339,409.61
  6. Step 6: Final answer
    x = 7,748,022.50

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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.