Home / 12,353,801.78-18,537,164.04-8,970,039.20

Finding the Fourth Proportional to 12,353,801.78, 18,537,164.04 and 8,970,039.20

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Solution

The fourth proportional to 12,353,801.78, 18,537,164.04 and 8,970,039.20 is: 13,459,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353,801.78 : 18,537,164.04 = 8,970,039.20 : x
  2. Step 2: Convert to fraction form
    12,353,801.78/18,537,164.04 = 8,970,039.20/x
  3. Step 3: Cross multiply
    12,353,801.78x = 18,537,164.04 × 8,970,039.20
  4. Step 4: Simplify right side
    12,353,801.78x = 166,279,088,095,630.34
  5. Step 5: Solve for x
    x = 166,279,088,095,630.34/12,353,801.78
  6. Step 6: Final answer
    x = 13,459,750.37

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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.