Home / 55,361,014.92-83,043,829.80-18,994,419.81

Finding the Fourth Proportional to 55,361,014.92, 83,043,829.80 and 18,994,419.81

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Solution

The fourth proportional to 55,361,014.92, 83,043,829.80 and 18,994,419.81 is: 28,492,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361,014.92 : 83,043,829.80 = 18,994,419.81 : x
  2. Step 2: Convert to fraction form
    55,361,014.92/83,043,829.80 = 18,994,419.81/x
  3. Step 3: Cross multiply
    55,361,014.92x = 83,043,829.80 × 18,994,419.81
  4. Step 4: Simplify right side
    55,361,014.92x = 1,577,369,365,851,388.25
  5. Step 5: Solve for x
    x = 1,577,369,365,851,388.25/55,361,014.92
  6. Step 6: Final answer
    x = 28,492,421.39

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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.