Home / 30,247,928.20-45,330,420.30-19,432,030.60

Finding the Fourth Proportional to 30,247,928.20, 45,330,420.30 and 19,432,030.60

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Solution

The fourth proportional to 30,247,928.20, 45,330,420.30 and 19,432,030.60 is: 29,121,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247,928.20 : 45,330,420.30 = 19,432,030.60 : x
  2. Step 2: Convert to fraction form
    30,247,928.20/45,330,420.30 = 19,432,030.60/x
  3. Step 3: Cross multiply
    30,247,928.20x = 45,330,420.30 × 19,432,030.60
  4. Step 4: Simplify right side
    30,247,928.20x = 880,862,114,380,461.25
  5. Step 5: Solve for x
    x = 880,862,114,380,461.25/30,247,928.20
  6. Step 6: Final answer
    x = 29,121,403.24

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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.