Home / 8,748,051.20-13,122,076.80-7,826,886.80

Finding the Fourth Proportional to 8,748,051.20, 13,122,076.80 and 7,826,886.80

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Solution

The fourth proportional to 8,748,051.20, 13,122,076.80 and 7,826,886.80 is: 11,740,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,051.20 : 13,122,076.80 = 7,826,886.80 : x
  2. Step 2: Convert to fraction form
    8,748,051.20/13,122,076.80 = 7,826,886.80/x
  3. Step 3: Cross multiply
    8,748,051.20x = 13,122,076.80 × 7,826,886.80
  4. Step 4: Simplify right side
    8,748,051.20x = 102,705,009,694,506.25
  5. Step 5: Solve for x
    x = 102,705,009,694,506.25/8,748,051.20
  6. Step 6: Final answer
    x = 11,740,330.20

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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.