Home / 16,128,680.40-24,193,020.60-12,147,368.40

Finding the Fourth Proportional to 16,128,680.40, 24,193,020.60 and 12,147,368.40

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Solution

The fourth proportional to 16,128,680.40, 24,193,020.60 and 12,147,368.40 is: 18,221,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,680.40 : 24,193,020.60 = 12,147,368.40 : x
  2. Step 2: Convert to fraction form
    16,128,680.40/24,193,020.60 = 12,147,368.40/x
  3. Step 3: Cross multiply
    16,128,680.40x = 24,193,020.60 × 12,147,368.40
  4. Step 4: Simplify right side
    16,128,680.40x = 293,881,533,936,989.06
  5. Step 5: Solve for x
    x = 293,881,533,936,989.06/16,128,680.40
  6. Step 6: Final answer
    x = 18,221,052.60

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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.