Home / 12,836,272.12-19,260,636.02-5,646,871.84

Finding the Fourth Proportional to 12,836,272.12, 19,260,636.02 and 5,646,871.84

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Solution

The fourth proportional to 12,836,272.12, 19,260,636.02 and 5,646,871.84 is: 8,473,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836,272.12 : 19,260,636.02 = 5,646,871.84 : x
  2. Step 2: Convert to fraction form
    12,836,272.12/19,260,636.02 = 5,646,871.84/x
  3. Step 3: Cross multiply
    12,836,272.12x = 19,260,636.02 × 5,646,871.84
  4. Step 4: Simplify right side
    12,836,272.12x = 108,762,343,161,827.67
  5. Step 5: Solve for x
    x = 108,762,343,161,827.67/12,836,272.12
  6. Step 6: Final answer
    x = 8,473,047.48

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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.