Home / 8,380,089.15-12,578,929.53-7,426,644.63

Finding the Fourth Proportional to 8,380,089.15, 12,578,929.53 and 7,426,644.63

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Solution

The fourth proportional to 8,380,089.15, 12,578,929.53 and 7,426,644.63 is: 11,147,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,089.15 : 12,578,929.53 = 7,426,644.63 : x
  2. Step 2: Convert to fraction form
    8,380,089.15/12,578,929.53 = 7,426,644.63/x
  3. Step 3: Cross multiply
    8,380,089.15x = 12,578,929.53 × 7,426,644.63
  4. Step 4: Simplify right side
    8,380,089.15x = 93,419,239,445,122.92
  5. Step 5: Solve for x
    x = 93,419,239,445,122.92/8,380,089.15
  6. Step 6: Final answer
    x = 11,147,762.01

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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.