Home / 19,936,205.80-29,904,308.70-10,866,279.40

Finding the Fourth Proportional to 19,936,205.80, 29,904,308.70 and 10,866,279.40

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Solution

The fourth proportional to 19,936,205.80, 29,904,308.70 and 10,866,279.40 is: 16,299,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936,205.80 : 29,904,308.70 = 10,866,279.40 : x
  2. Step 2: Convert to fraction form
    19,936,205.80/29,904,308.70 = 10,866,279.40/x
  3. Step 3: Cross multiply
    19,936,205.80x = 29,904,308.70 × 10,866,279.40
  4. Step 4: Simplify right side
    19,936,205.80x = 324,948,573,598,050.81
  5. Step 5: Solve for x
    x = 324,948,573,598,050.81/19,936,205.80
  6. Step 6: Final answer
    x = 16,299,419.10

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1.5x scale

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.