Home / 13,960,038.40-20,957,116.20-7,898,986.60

Finding the Fourth Proportional to 13,960,038.40, 20,957,116.20 and 7,898,986.60

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Solution

The fourth proportional to 13,960,038.40, 20,957,116.20 and 7,898,986.60 is: 11,858,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960,038.40 : 20,957,116.20 = 7,898,986.60 : x
  2. Step 2: Convert to fraction form
    13,960,038.40/20,957,116.20 = 7,898,986.60/x
  3. Step 3: Cross multiply
    13,960,038.40x = 20,957,116.20 × 7,898,986.60
  4. Step 4: Simplify right side
    13,960,038.40x = 165,539,980,038,442.91
  5. Step 5: Solve for x
    x = 165,539,980,038,442.91/13,960,038.40
  6. Step 6: Final answer
    x = 11,858,132.14

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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.