Home / 8,068,714.80-12,089,075.40-5,227,364.40

Finding the Fourth Proportional to 8,068,714.80, 12,089,075.40 and 5,227,364.40

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Solution

The fourth proportional to 8,068,714.80, 12,089,075.40 and 5,227,364.40 is: 7,831,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,714.80 : 12,089,075.40 = 5,227,364.40 : x
  2. Step 2: Convert to fraction form
    8,068,714.80/12,089,075.40 = 5,227,364.40/x
  3. Step 3: Cross multiply
    8,068,714.80x = 12,089,075.40 × 5,227,364.40
  4. Step 4: Simplify right side
    8,068,714.80x = 63,194,002,374,875.77
  5. Step 5: Solve for x
    x = 63,194,002,374,875.77/8,068,714.80
  6. Step 6: Final answer
    x = 7,831,978.69

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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.