Home / 8,303,762.10-12,455,643.15-4,888,542.90

Finding the Fourth Proportional to 8,303,762.10, 12,455,643.15 and 4,888,542.90

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Solution

The fourth proportional to 8,303,762.10, 12,455,643.15 and 4,888,542.90 is: 7,332,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,762.10 : 12,455,643.15 = 4,888,542.90 : x
  2. Step 2: Convert to fraction form
    8,303,762.10/12,455,643.15 = 4,888,542.90/x
  3. Step 3: Cross multiply
    8,303,762.10x = 12,455,643.15 × 4,888,542.90
  4. Step 4: Simplify right side
    8,303,762.10x = 60,889,945,885,866.14
  5. Step 5: Solve for x
    x = 60,889,945,885,866.14/8,303,762.10
  6. Step 6: Final answer
    x = 7,332,814.35

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Similar ratio
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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.