Home / 10,851,886.40-16,277,829.60-3,280,020.80

Finding the Fourth Proportional to 10,851,886.40, 16,277,829.60 and 3,280,020.80

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Solution

The fourth proportional to 10,851,886.40, 16,277,829.60 and 3,280,020.80 is: 4,920,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851,886.40 : 16,277,829.60 = 3,280,020.80 : x
  2. Step 2: Convert to fraction form
    10,851,886.40/16,277,829.60 = 3,280,020.80/x
  3. Step 3: Cross multiply
    10,851,886.40x = 16,277,829.60 × 3,280,020.80
  4. Step 4: Simplify right side
    10,851,886.40x = 53,391,619,666,855.67
  5. Step 5: Solve for x
    x = 53,391,619,666,855.67/10,851,886.40
  6. Step 6: Final answer
    x = 4,920,031.20

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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.