Home / 7,039,166.16-9,709,031.16-6,460,255.32

Finding the Fourth Proportional to 7,039,166.16, 9,709,031.16 and 6,460,255.32

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Solution

The fourth proportional to 7,039,166.16, 9,709,031.16 and 6,460,255.32 is: 8,910,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,166.16 : 9,709,031.16 = 6,460,255.32 : x
  2. Step 2: Convert to fraction form
    7,039,166.16/9,709,031.16 = 6,460,255.32/x
  3. Step 3: Cross multiply
    7,039,166.16x = 9,709,031.16 × 6,460,255.32
  4. Step 4: Simplify right side
    7,039,166.16x = 62,722,820,203,435.77
  5. Step 5: Solve for x
    x = 62,722,820,203,435.77/7,039,166.16
  6. Step 6: Final answer
    x = 8,910,546.90

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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.