Home / 13,185,885.20-19,778,827.80-8,084,051.60

Finding the Fourth Proportional to 13,185,885.20, 19,778,827.80 and 8,084,051.60

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Solution

The fourth proportional to 13,185,885.20, 19,778,827.80 and 8,084,051.60 is: 12,126,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,885.20 : 19,778,827.80 = 8,084,051.60 : x
  2. Step 2: Convert to fraction form
    13,185,885.20/19,778,827.80 = 8,084,051.60/x
  3. Step 3: Cross multiply
    13,185,885.20x = 19,778,827.80 × 8,084,051.60
  4. Step 4: Simplify right side
    13,185,885.20x = 159,893,064,522,714.47
  5. Step 5: Solve for x
    x = 159,893,064,522,714.47/13,185,885.20
  6. Step 6: Final answer
    x = 12,126,077.40

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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.