Home / 8,931,319.20-13,396,978.80-8,856,669.60

Finding the Fourth Proportional to 8,931,319.20, 13,396,978.80 and 8,856,669.60

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Solution

The fourth proportional to 8,931,319.20, 13,396,978.80 and 8,856,669.60 is: 13,285,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,319.20 : 13,396,978.80 = 8,856,669.60 : x
  2. Step 2: Convert to fraction form
    8,931,319.20/13,396,978.80 = 8,856,669.60/x
  3. Step 3: Cross multiply
    8,931,319.20x = 13,396,978.80 × 8,856,669.60
  4. Step 4: Simplify right side
    8,931,319.20x = 118,652,614,869,804.48
  5. Step 5: Solve for x
    x = 118,652,614,869,804.48/8,931,319.20
  6. Step 6: Final answer
    x = 13,285,004.40

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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.