Home / 28,548,020.40-39,396,308.03-15,495,282.01

Finding the Fourth Proportional to 28,548,020.40, 39,396,308.03 and 15,495,282.01

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Solution

The fourth proportional to 28,548,020.40, 39,396,308.03 and 15,495,282.01 is: 21,383,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,020.40 : 39,396,308.03 = 15,495,282.01 : x
  2. Step 2: Convert to fraction form
    28,548,020.40/39,396,308.03 = 15,495,282.01/x
  3. Step 3: Cross multiply
    28,548,020.40x = 39,396,308.03 × 15,495,282.01
  4. Step 4: Simplify right side
    28,548,020.40x = 610,456,903,077,677.50
  5. Step 5: Solve for x
    x = 610,456,903,077,677.50/28,548,020.40
  6. Step 6: Final answer
    x = 21,383,510.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.