Home / 12,099,308.40-18,148,962.60-11,142,714.60

Finding the Fourth Proportional to 12,099,308.40, 18,148,962.60 and 11,142,714.60

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Solution

The fourth proportional to 12,099,308.40, 18,148,962.60 and 11,142,714.60 is: 16,714,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,308.40 : 18,148,962.60 = 11,142,714.60 : x
  2. Step 2: Convert to fraction form
    12,099,308.40/18,148,962.60 = 11,142,714.60/x
  3. Step 3: Cross multiply
    12,099,308.40x = 18,148,962.60 × 11,142,714.60
  4. Step 4: Simplify right side
    12,099,308.40x = 202,228,710,537,873.97
  5. Step 5: Solve for x
    x = 202,228,710,537,873.97/12,099,308.40
  6. Step 6: Final answer
    x = 16,714,071.90

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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.