Home / 10,931,576.60-16,397,364.90-8,805,812.60

Finding the Fourth Proportional to 10,931,576.60, 16,397,364.90 and 8,805,812.60

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Solution

The fourth proportional to 10,931,576.60, 16,397,364.90 and 8,805,812.60 is: 13,208,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,576.60 : 16,397,364.90 = 8,805,812.60 : x
  2. Step 2: Convert to fraction form
    10,931,576.60/16,397,364.90 = 8,805,812.60/x
  3. Step 3: Cross multiply
    10,931,576.60x = 16,397,364.90 × 8,805,812.60
  4. Step 4: Simplify right side
    10,931,576.60x = 144,392,122,443,217.75
  5. Step 5: Solve for x
    x = 144,392,122,443,217.75/10,931,576.60
  6. Step 6: Final answer
    x = 13,208,718.90

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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.