Home / 15,452,939.20-23,179,408.80-9,779,569.60

Finding the Fourth Proportional to 15,452,939.20, 23,179,408.80 and 9,779,569.60

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Solution

The fourth proportional to 15,452,939.20, 23,179,408.80 and 9,779,569.60 is: 14,669,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452,939.20 : 23,179,408.80 = 9,779,569.60 : x
  2. Step 2: Convert to fraction form
    15,452,939.20/23,179,408.80 = 9,779,569.60/x
  3. Step 3: Cross multiply
    15,452,939.20x = 23,179,408.80 × 9,779,569.60
  4. Step 4: Simplify right side
    15,452,939.20x = 226,684,641,646,452.47
  5. Step 5: Solve for x
    x = 226,684,641,646,452.47/15,452,939.20
  6. Step 6: Final answer
    x = 14,669,354.40

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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.