Home / 13,465,836.90-18,582,973.73-7,664,992.13

Finding the Fourth Proportional to 13,465,836.90, 18,582,973.73 and 7,664,992.13

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Solution

The fourth proportional to 13,465,836.90, 18,582,973.73 and 7,664,992.13 is: 10,577,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,836.90 : 18,582,973.73 = 7,664,992.13 : x
  2. Step 2: Convert to fraction form
    13,465,836.90/18,582,973.73 = 7,664,992.13/x
  3. Step 3: Cross multiply
    13,465,836.90x = 18,582,973.73 × 7,664,992.13
  4. Step 4: Simplify right side
    13,465,836.90x = 142,438,347,429,315.28
  5. Step 5: Solve for x
    x = 142,438,347,429,315.28/13,465,836.90
  6. Step 6: Final answer
    x = 10,577,756.77

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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.