Home / 10,557,619.40-15,830,013.90-4,160,498.60

Finding the Fourth Proportional to 10,557,619.40, 15,830,013.90 and 4,160,498.60

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Solution

The fourth proportional to 10,557,619.40, 15,830,013.90 and 4,160,498.60 is: 6,238,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,619.40 : 15,830,013.90 = 4,160,498.60 : x
  2. Step 2: Convert to fraction form
    10,557,619.40/15,830,013.90 = 4,160,498.60/x
  3. Step 3: Cross multiply
    10,557,619.40x = 15,830,013.90 × 4,160,498.60
  4. Step 4: Simplify right side
    10,557,619.40x = 65,860,750,668,930.55
  5. Step 5: Solve for x
    x = 65,860,750,668,930.55/10,557,619.40
  6. Step 6: Final answer
    x = 6,238,219.83

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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.