Home / 13,397,781.60-18,493,101.63-10,649,345.90

Finding the Fourth Proportional to 13,397,781.60, 18,493,101.63 and 10,649,345.90

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Solution

The fourth proportional to 13,397,781.60, 18,493,101.63 and 10,649,345.90 is: 14,699,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,781.60 : 18,493,101.63 = 10,649,345.90 : x
  2. Step 2: Convert to fraction form
    13,397,781.60/18,493,101.63 = 10,649,345.90/x
  3. Step 3: Cross multiply
    13,397,781.60x = 18,493,101.63 × 10,649,345.90
  4. Step 4: Simplify right side
    13,397,781.60x = 196,939,435,929,258.28
  5. Step 5: Solve for x
    x = 196,939,435,929,258.28/13,397,781.60
  6. Step 6: Final answer
    x = 14,699,406.35

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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.