Home / 20,298,110.30-30,447,165.45-5,152,041.80

Finding the Fourth Proportional to 20,298,110.30, 30,447,165.45 and 5,152,041.80

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Solution

The fourth proportional to 20,298,110.30, 30,447,165.45 and 5,152,041.80 is: 7,728,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,110.30 : 30,447,165.45 = 5,152,041.80 : x
  2. Step 2: Convert to fraction form
    20,298,110.30/30,447,165.45 = 5,152,041.80/x
  3. Step 3: Cross multiply
    20,298,110.30x = 30,447,165.45 × 5,152,041.80
  4. Step 4: Simplify right side
    20,298,110.30x = 156,865,069,089,915.81
  5. Step 5: Solve for x
    x = 156,865,069,089,915.81/20,298,110.30
  6. Step 6: Final answer
    x = 7,728,062.70

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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.