Home / 15,779,495.20-23,669,242.80-13,086,860.80

Finding the Fourth Proportional to 15,779,495.20, 23,669,242.80 and 13,086,860.80

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Solution

The fourth proportional to 15,779,495.20, 23,669,242.80 and 13,086,860.80 is: 19,630,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,495.20 : 23,669,242.80 = 13,086,860.80 : x
  2. Step 2: Convert to fraction form
    15,779,495.20/23,669,242.80 = 13,086,860.80/x
  3. Step 3: Cross multiply
    15,779,495.20x = 23,669,242.80 × 13,086,860.80
  4. Step 4: Simplify right side
    15,779,495.20x = 309,756,085,765,002.25
  5. Step 5: Solve for x
    x = 309,756,085,765,002.25/15,779,495.20
  6. Step 6: Final answer
    x = 19,630,291.20

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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.