Home / 19,787,719.40-29,686,827.90-7,006,891.40

Finding the Fourth Proportional to 19,787,719.40, 29,686,827.90 and 7,006,891.40

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Solution

The fourth proportional to 19,787,719.40, 29,686,827.90 and 7,006,891.40 is: 10,512,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787,719.40 : 29,686,827.90 = 7,006,891.40 : x
  2. Step 2: Convert to fraction form
    19,787,719.40/29,686,827.90 = 7,006,891.40/x
  3. Step 3: Cross multiply
    19,787,719.40x = 29,686,827.90 × 7,006,891.40
  4. Step 4: Simplify right side
    19,787,719.40x = 208,012,379,105,790.06
  5. Step 5: Solve for x
    x = 208,012,379,105,790.06/19,787,719.40
  6. Step 6: Final answer
    x = 10,512,195.72

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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.