Home / 19,928,715.40-29,893,073.10-7,150,511.80

Finding the Fourth Proportional to 19,928,715.40, 29,893,073.10 and 7,150,511.80

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Solution

The fourth proportional to 19,928,715.40, 29,893,073.10 and 7,150,511.80 is: 10,725,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,715.40 : 29,893,073.10 = 7,150,511.80 : x
  2. Step 2: Convert to fraction form
    19,928,715.40/29,893,073.10 = 7,150,511.80/x
  3. Step 3: Cross multiply
    19,928,715.40x = 29,893,073.10 × 7,150,511.80
  4. Step 4: Simplify right side
    19,928,715.40x = 213,750,771,939,812.59
  5. Step 5: Solve for x
    x = 213,750,771,939,812.59/19,928,715.40
  6. Step 6: Final answer
    x = 10,725,767.70

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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.