Home / 15,768,086.80-23,652,130.20-5,130,518.80

Finding the Fourth Proportional to 15,768,086.80, 23,652,130.20 and 5,130,518.80

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Solution

The fourth proportional to 15,768,086.80, 23,652,130.20 and 5,130,518.80 is: 7,695,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768,086.80 : 23,652,130.20 = 5,130,518.80 : x
  2. Step 2: Convert to fraction form
    15,768,086.80/23,652,130.20 = 5,130,518.80/x
  3. Step 3: Cross multiply
    15,768,086.80x = 23,652,130.20 × 5,130,518.80
  4. Step 4: Simplify right side
    15,768,086.80x = 121,347,698,651,147.75
  5. Step 5: Solve for x
    x = 121,347,698,651,147.75/15,768,086.80
  6. Step 6: Final answer
    x = 7,695,778.20

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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.