Home / 10,445,287.08-15,662,891.10-4,378,389.80

Finding the Fourth Proportional to 10,445,287.08, 15,662,891.10 and 4,378,389.80

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Solution

The fourth proportional to 10,445,287.08, 15,662,891.10 and 4,378,389.80 is: 6,565,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445,287.08 : 15,662,891.10 = 4,378,389.80 : x
  2. Step 2: Convert to fraction form
    10,445,287.08/15,662,891.10 = 4,378,389.80/x
  3. Step 3: Cross multiply
    10,445,287.08x = 15,662,891.10 × 4,378,389.80
  4. Step 4: Simplify right side
    10,445,287.08x = 68,578,242,630,750.77
  5. Step 5: Solve for x
    x = 68,578,242,630,750.77/10,445,287.08
  6. Step 6: Final answer
    x = 6,565,472.27

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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.