Home / 8,771,465.28-13,145,707.16-4,213,445.32

Finding the Fourth Proportional to 8,771,465.28, 13,145,707.16 and 4,213,445.32

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Solution

The fourth proportional to 8,771,465.28, 13,145,707.16 and 4,213,445.32 is: 6,314,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771,465.28 : 13,145,707.16 = 4,213,445.32 : x
  2. Step 2: Convert to fraction form
    8,771,465.28/13,145,707.16 = 4,213,445.32/x
  3. Step 3: Cross multiply
    8,771,465.28x = 13,145,707.16 × 4,213,445.32
  4. Step 4: Simplify right side
    8,771,465.28x = 55,388,718,311,392.49
  5. Step 5: Solve for x
    x = 55,388,718,311,392.49/8,771,465.28
  6. Step 6: Final answer
    x = 6,314,648.30

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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.