Home / 8,303,620.60-12,455,430.90-4,720,439.80

Finding the Fourth Proportional to 8,303,620.60, 12,455,430.90 and 4,720,439.80

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Solution

The fourth proportional to 8,303,620.60, 12,455,430.90 and 4,720,439.80 is: 7,080,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,620.60 : 12,455,430.90 = 4,720,439.80 : x
  2. Step 2: Convert to fraction form
    8,303,620.60/12,455,430.90 = 4,720,439.80/x
  3. Step 3: Cross multiply
    8,303,620.60x = 12,455,430.90 × 4,720,439.80
  4. Step 4: Simplify right side
    8,303,620.60x = 58,795,111,746,509.82
  5. Step 5: Solve for x
    x = 58,795,111,746,509.82/8,303,620.60
  6. Step 6: Final answer
    x = 7,080,659.70

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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.