Home / 7,884,003.60-11,826,005.40-7,128,176.40

Finding the Fourth Proportional to 7,884,003.60, 11,826,005.40 and 7,128,176.40

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Solution

The fourth proportional to 7,884,003.60, 11,826,005.40 and 7,128,176.40 is: 10,692,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,003.60 : 11,826,005.40 = 7,128,176.40 : x
  2. Step 2: Convert to fraction form
    7,884,003.60/11,826,005.40 = 7,128,176.40/x
  3. Step 3: Cross multiply
    7,884,003.60x = 11,826,005.40 × 7,128,176.40
  4. Step 4: Simplify right side
    7,884,003.60x = 84,297,852,598,552.56
  5. Step 5: Solve for x
    x = 84,297,852,598,552.56/7,884,003.60
  6. Step 6: Final answer
    x = 10,692,264.60

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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.