Home / 19,230,631.20-28,845,946.80-5,767,459.20

Finding the Fourth Proportional to 19,230,631.20, 28,845,946.80 and 5,767,459.20

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Solution

The fourth proportional to 19,230,631.20, 28,845,946.80 and 5,767,459.20 is: 8,651,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230,631.20 : 28,845,946.80 = 5,767,459.20 : x
  2. Step 2: Convert to fraction form
    19,230,631.20/28,845,946.80 = 5,767,459.20/x
  3. Step 3: Cross multiply
    19,230,631.20x = 28,845,946.80 × 5,767,459.20
  4. Step 4: Simplify right side
    19,230,631.20x = 166,367,821,254,370.56
  5. Step 5: Solve for x
    x = 166,367,821,254,370.56/19,230,631.20
  6. Step 6: Final answer
    x = 8,651,188.80

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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.