Home / 8,264,784.42-12,376,558.62-5,222,973.60

Finding the Fourth Proportional to 8,264,784.42, 12,376,558.62 and 5,222,973.60

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Solution

The fourth proportional to 8,264,784.42, 12,376,558.62 and 5,222,973.60 is: 7,821,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,784.42 : 12,376,558.62 = 5,222,973.60 : x
  2. Step 2: Convert to fraction form
    8,264,784.42/12,376,558.62 = 5,222,973.60/x
  3. Step 3: Cross multiply
    8,264,784.42x = 12,376,558.62 × 5,222,973.60
  4. Step 4: Simplify right side
    8,264,784.42x = 64,642,438,931,112.42
  5. Step 5: Solve for x
    x = 64,642,438,931,112.42/8,264,784.42
  6. Step 6: Final answer
    x = 7,821,430.74

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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.