Home / 15,719,107.20-23,531,421.60-9,326,068.80

Finding the Fourth Proportional to 15,719,107.20, 23,531,421.60 and 9,326,068.80

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Solution

The fourth proportional to 15,719,107.20, 23,531,421.60 and 9,326,068.80 is: 13,961,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,107.20 : 23,531,421.60 = 9,326,068.80 : x
  2. Step 2: Convert to fraction form
    15,719,107.20/23,531,421.60 = 9,326,068.80/x
  3. Step 3: Cross multiply
    15,719,107.20x = 23,531,421.60 × 9,326,068.80
  4. Step 4: Simplify right side
    15,719,107.20x = 219,455,656,803,406.12
  5. Step 5: Solve for x
    x = 219,455,656,803,406.12/15,719,107.20
  6. Step 6: Final answer
    x = 13,961,076.42

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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.