Home / 8,435,646-11,641,407.84-5,174,262.72

Finding the Fourth Proportional to 8,435,646, 11,641,407.84 and 5,174,262.72

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Solution

The fourth proportional to 8,435,646, 11,641,407.84 and 5,174,262.72 is: 7,140,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,646 : 11,641,407.84 = 5,174,262.72 : x
  2. Step 2: Convert to fraction form
    8,435,646/11,641,407.84 = 5,174,262.72/x
  3. Step 3: Cross multiply
    8,435,646x = 11,641,407.84 × 5,174,262.72
  4. Step 4: Simplify right side
    8,435,646x = 60,235,702,594,827.72
  5. Step 5: Solve for x
    x = 60,235,702,594,827.72/8,435,646
  6. Step 6: Final answer
    x = 7,140,615.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.