Home / 15,472,714.63-21,352,858.12-8,503,639.20

Finding the Fourth Proportional to 15,472,714.63, 21,352,858.12 and 8,503,639.20

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Solution

The fourth proportional to 15,472,714.63, 21,352,858.12 and 8,503,639.20 is: 11,735,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,714.63 : 21,352,858.12 = 8,503,639.20 : x
  2. Step 2: Convert to fraction form
    15,472,714.63/21,352,858.12 = 8,503,639.20/x
  3. Step 3: Cross multiply
    15,472,714.63x = 21,352,858.12 × 8,503,639.20
  4. Step 4: Simplify right side
    15,472,714.63x = 181,577,001,298,752.09
  5. Step 5: Solve for x
    x = 181,577,001,298,752.09/15,472,714.63
  6. Step 6: Final answer
    x = 11,735,303.45

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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.