Home / 15,683,438.20-23,514,368.10-7,992,196.60

Finding the Fourth Proportional to 15,683,438.20, 23,514,368.10 and 7,992,196.60

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Solution

The fourth proportional to 15,683,438.20, 23,514,368.10 and 7,992,196.60 is: 11,982,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683,438.20 : 23,514,368.10 = 7,992,196.60 : x
  2. Step 2: Convert to fraction form
    15,683,438.20/23,514,368.10 = 7,992,196.60/x
  3. Step 3: Cross multiply
    15,683,438.20x = 23,514,368.10 × 7,992,196.60
  4. Step 4: Simplify right side
    15,683,438.20x = 187,931,452,779,968.47
  5. Step 5: Solve for x
    x = 187,931,452,779,968.47/15,683,438.20
  6. Step 6: Final answer
    x = 11,982,796.78

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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.