Home / 10,102,099.20-13,941,196.80-5,518,496.64

Finding the Fourth Proportional to 10,102,099.20, 13,941,196.80 and 5,518,496.64

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Solution

The fourth proportional to 10,102,099.20, 13,941,196.80 and 5,518,496.64 is: 7,615,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102,099.20 : 13,941,196.80 = 5,518,496.64 : x
  2. Step 2: Convert to fraction form
    10,102,099.20/13,941,196.80 = 5,518,496.64/x
  3. Step 3: Cross multiply
    10,102,099.20x = 13,941,196.80 × 5,518,496.64
  4. Step 4: Simplify right side
    10,102,099.20x = 76,934,447,698,378.75
  5. Step 5: Solve for x
    x = 76,934,447,698,378.75/10,102,099.20
  6. Step 6: Final answer
    x = 7,615,689.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.