Home / 12,130,188.48-16,732,643.04-7,837,836.48

Finding the Fourth Proportional to 12,130,188.48, 16,732,643.04 and 7,837,836.48

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Solution

The fourth proportional to 12,130,188.48, 16,732,643.04 and 7,837,836.48 is: 10,811,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,188.48 : 16,732,643.04 = 7,837,836.48 : x
  2. Step 2: Convert to fraction form
    12,130,188.48/16,732,643.04 = 7,837,836.48/x
  3. Step 3: Cross multiply
    12,130,188.48x = 16,732,643.04 × 7,837,836.48
  4. Step 4: Simplify right side
    12,130,188.48x = 131,147,720,025,730.09
  5. Step 5: Solve for x
    x = 131,147,720,025,730.09/12,130,188.48
  6. Step 6: Final answer
    x = 10,811,680.32

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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.