Home / 10,211,101.20-15,316,651.80-5,416,322.40

Finding the Fourth Proportional to 10,211,101.20, 15,316,651.80 and 5,416,322.40

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Solution

The fourth proportional to 10,211,101.20, 15,316,651.80 and 5,416,322.40 is: 8,124,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,101.20 : 15,316,651.80 = 5,416,322.40 : x
  2. Step 2: Convert to fraction form
    10,211,101.20/15,316,651.80 = 5,416,322.40/x
  3. Step 3: Cross multiply
    10,211,101.20x = 15,316,651.80 × 5,416,322.40
  4. Step 4: Simplify right side
    10,211,101.20x = 82,959,924,237,340.33
  5. Step 5: Solve for x
    x = 82,959,924,237,340.33/10,211,101.20
  6. Step 6: Final answer
    x = 8,124,483.60

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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.