Home / 8,580,085.16-12,870,115.74-2,190,337.64

Finding the Fourth Proportional to 8,580,085.16, 12,870,115.74 and 2,190,337.64

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Solution

The fourth proportional to 8,580,085.16, 12,870,115.74 and 2,190,337.64 is: 3,285,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,085.16 : 12,870,115.74 = 2,190,337.64 : x
  2. Step 2: Convert to fraction form
    8,580,085.16/12,870,115.74 = 2,190,337.64/x
  3. Step 3: Cross multiply
    8,580,085.16x = 12,870,115.74 × 2,190,337.64
  4. Step 4: Simplify right side
    8,580,085.16x = 28,189,898,936,478.46
  5. Step 5: Solve for x
    x = 28,189,898,936,478.46/8,580,085.16
  6. Step 6: Final answer
    x = 3,285,503.40

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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.