Home / 27,153,419.20-40,730,128.80-15,674,293.60

Finding the Fourth Proportional to 27,153,419.20, 40,730,128.80 and 15,674,293.60

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Solution

The fourth proportional to 27,153,419.20, 40,730,128.80 and 15,674,293.60 is: 23,511,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153,419.20 : 40,730,128.80 = 15,674,293.60 : x
  2. Step 2: Convert to fraction form
    27,153,419.20/40,730,128.80 = 15,674,293.60/x
  3. Step 3: Cross multiply
    27,153,419.20x = 40,730,128.80 × 15,674,293.60
  4. Step 4: Simplify right side
    27,153,419.20x = 638,415,997,177,015.62
  5. Step 5: Solve for x
    x = 638,415,997,177,015.62/27,153,419.20
  6. Step 6: Final answer
    x = 23,511,440.40

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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.