Home / 15,749,987.20-23,630,229.60-7,668,001.60

Finding the Fourth Proportional to 15,749,987.20, 23,630,229.60 and 7,668,001.60

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Solution

The fourth proportional to 15,749,987.20, 23,630,229.60 and 7,668,001.60 is: 11,504,557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749,987.20 : 23,630,229.60 = 7,668,001.60 : x
  2. Step 2: Convert to fraction form
    15,749,987.20/23,630,229.60 = 7,668,001.60/x
  3. Step 3: Cross multiply
    15,749,987.20x = 23,630,229.60 × 7,668,001.60
  4. Step 4: Simplify right side
    15,749,987.20x = 181,196,638,381,167.38
  5. Step 5: Solve for x
    x = 181,196,638,381,167.38/15,749,987.20
  6. Step 6: Final answer
    x = 11,504,557.82

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1.5x scale

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.