Home / 8,698,435.20-12,003,452.16-5,215,696.56

Finding the Fourth Proportional to 8,698,435.20, 12,003,452.16 and 5,215,696.56

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Solution

The fourth proportional to 8,698,435.20, 12,003,452.16 and 5,215,696.56 is: 7,197,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698,435.20 : 12,003,452.16 = 5,215,696.56 : x
  2. Step 2: Convert to fraction form
    8,698,435.20/12,003,452.16 = 5,215,696.56/x
  3. Step 3: Cross multiply
    8,698,435.20x = 12,003,452.16 × 5,215,696.56
  4. Step 4: Simplify right side
    8,698,435.20x = 62,606,364,139,036.56
  5. Step 5: Solve for x
    x = 62,606,364,139,036.56/8,698,435.20
  6. Step 6: Final answer
    x = 7,197,428.35

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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.