Home / 8,319,091.20-12,478,636.80-2,927,698.80

Finding the Fourth Proportional to 8,319,091.20, 12,478,636.80 and 2,927,698.80

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Solution

The fourth proportional to 8,319,091.20, 12,478,636.80 and 2,927,698.80 is: 4,391,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,091.20 : 12,478,636.80 = 2,927,698.80 : x
  2. Step 2: Convert to fraction form
    8,319,091.20/12,478,636.80 = 2,927,698.80/x
  3. Step 3: Cross multiply
    8,319,091.20x = 12,478,636.80 × 2,927,698.80
  4. Step 4: Simplify right side
    8,319,091.20x = 36,533,689,984,995.84
  5. Step 5: Solve for x
    x = 36,533,689,984,995.84/8,319,091.20
  6. Step 6: Final answer
    x = 4,391,548.20

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1.5x scale

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.