Home / 13,413,801.22-18,515,059.90-7,833,552.98

Finding the Fourth Proportional to 13,413,801.22, 18,515,059.90 and 7,833,552.98

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Solution

The fourth proportional to 13,413,801.22, 18,515,059.90 and 7,833,552.98 is: 10,812,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,801.22 : 18,515,059.90 = 7,833,552.98 : x
  2. Step 2: Convert to fraction form
    13,413,801.22/18,515,059.90 = 7,833,552.98/x
  3. Step 3: Cross multiply
    13,413,801.22x = 18,515,059.90 × 7,833,552.98
  4. Step 4: Simplify right side
    13,413,801.22x = 145,038,702,654,523.50
  5. Step 5: Solve for x
    x = 145,038,702,654,523.50/13,413,801.22
  6. Step 6: Final answer
    x = 10,812,647.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.