Home / 10,223,899.20-15,367,341.60-9,657,028.80

Finding the Fourth Proportional to 10,223,899.20, 15,367,341.60 and 9,657,028.80

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Solution

The fourth proportional to 10,223,899.20, 15,367,341.60 and 9,657,028.80 is: 14,515,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223,899.20 : 15,367,341.60 = 9,657,028.80 : x
  2. Step 2: Convert to fraction form
    10,223,899.20/15,367,341.60 = 9,657,028.80/x
  3. Step 3: Cross multiply
    10,223,899.20x = 15,367,341.60 × 9,657,028.80
  4. Step 4: Simplify right side
    10,223,899.20x = 148,402,860,410,638.09
  5. Step 5: Solve for x
    x = 148,402,860,410,638.09/10,223,899.20
  6. Step 6: Final answer
    x = 14,515,289.86

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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.