Home / 20,832,801.60-31,249,202.40-8,863,982.40

Finding the Fourth Proportional to 20,832,801.60, 31,249,202.40 and 8,863,982.40

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Solution

The fourth proportional to 20,832,801.60, 31,249,202.40 and 8,863,982.40 is: 13,295,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832,801.60 : 31,249,202.40 = 8,863,982.40 : x
  2. Step 2: Convert to fraction form
    20,832,801.60/31,249,202.40 = 8,863,982.40/x
  3. Step 3: Cross multiply
    20,832,801.60x = 31,249,202.40 × 8,863,982.40
  4. Step 4: Simplify right side
    20,832,801.60x = 276,992,380,087,637.75
  5. Step 5: Solve for x
    x = 276,992,380,087,637.75/20,832,801.60
  6. Step 6: Final answer
    x = 13,295,973.60

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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.