Home / 8,118,522.81-11,203,575-4,447,359.36

Finding the Fourth Proportional to 8,118,522.81, 11,203,575 and 4,447,359.36

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Solution

The fourth proportional to 8,118,522.81, 11,203,575 and 4,447,359.36 is: 6,137,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,522.81 : 11,203,575 = 4,447,359.36 : x
  2. Step 2: Convert to fraction form
    8,118,522.81/11,203,575 = 4,447,359.36/x
  3. Step 3: Cross multiply
    8,118,522.81x = 11,203,575 × 4,447,359.36
  4. Step 4: Simplify right side
    8,118,522.81x = 49,826,324,141,712
  5. Step 5: Solve for x
    x = 49,826,324,141,712/8,118,522.81
  6. Step 6: Final answer
    x = 6,137,363.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.