Home / 10,468,005.16-15,701,988.28-3,280,089.64

Finding the Fourth Proportional to 10,468,005.16, 15,701,988.28 and 3,280,089.64

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Solution

The fourth proportional to 10,468,005.16, 15,701,988.28 and 3,280,089.64 is: 4,920,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468,005.16 : 15,701,988.28 = 3,280,089.64 : x
  2. Step 2: Convert to fraction form
    10,468,005.16/15,701,988.28 = 3,280,089.64/x
  3. Step 3: Cross multiply
    10,468,005.16x = 15,701,988.28 × 3,280,089.64
  4. Step 4: Simplify right side
    10,468,005.16x = 51,503,929,084,629.42
  5. Step 5: Solve for x
    x = 51,503,929,084,629.42/10,468,005.16
  6. Step 6: Final answer
    x = 4,920,128.36

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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.