Home / 21,368,007.60-32,052,011.40-20,612,180.40

Finding the Fourth Proportional to 21,368,007.60, 32,052,011.40 and 20,612,180.40

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Solution

The fourth proportional to 21,368,007.60, 32,052,011.40 and 20,612,180.40 is: 30,918,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368,007.60 : 32,052,011.40 = 20,612,180.40 : x
  2. Step 2: Convert to fraction form
    21,368,007.60/32,052,011.40 = 20,612,180.40/x
  3. Step 3: Cross multiply
    21,368,007.60x = 32,052,011.40 × 20,612,180.40
  4. Step 4: Simplify right side
    21,368,007.60x = 660,661,841,159,656.50
  5. Step 5: Solve for x
    x = 660,661,841,159,656.50/21,368,007.60
  6. Step 6: Final answer
    x = 30,918,270.60

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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.