Home / 13,013,274.01-19,403,568.89-12,655,742.41

Finding the Fourth Proportional to 13,013,274.01, 19,403,568.89 and 12,655,742.41

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Solution

The fourth proportional to 13,013,274.01, 19,403,568.89 and 12,655,742.41 is: 18,870,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,274.01 : 19,403,568.89 = 12,655,742.41 : x
  2. Step 2: Convert to fraction form
    13,013,274.01/19,403,568.89 = 12,655,742.41/x
  3. Step 3: Cross multiply
    13,013,274.01x = 19,403,568.89 × 12,655,742.41
  4. Step 4: Simplify right side
    13,013,274.01x = 245,566,569,546,233.06
  5. Step 5: Solve for x
    x = 245,566,569,546,233.06/13,013,274.01
  6. Step 6: Final answer
    x = 18,870,467.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.