Home / 8,320,783.63-12,458,747.76-5,435,004.32

Finding the Fourth Proportional to 8,320,783.63, 12,458,747.76 and 5,435,004.32

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Solution

The fourth proportional to 8,320,783.63, 12,458,747.76 and 5,435,004.32 is: 8,137,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,783.63 : 12,458,747.76 = 5,435,004.32 : x
  2. Step 2: Convert to fraction form
    8,320,783.63/12,458,747.76 = 5,435,004.32/x
  3. Step 3: Cross multiply
    8,320,783.63x = 12,458,747.76 × 5,435,004.32
  4. Step 4: Simplify right side
    8,320,783.63x = 67,713,347,931,516.08
  5. Step 5: Solve for x
    x = 67,713,347,931,516.08/8,320,783.63
  6. Step 6: Final answer
    x = 8,137,857.08

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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.