Home / 15,302,256.72-21,116,905.64-8,686,787.64

Finding the Fourth Proportional to 15,302,256.72, 21,116,905.64 and 8,686,787.64

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Solution

The fourth proportional to 15,302,256.72, 21,116,905.64 and 8,686,787.64 is: 11,987,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302,256.72 : 21,116,905.64 = 8,686,787.64 : x
  2. Step 2: Convert to fraction form
    15,302,256.72/21,116,905.64 = 8,686,787.64/x
  3. Step 3: Cross multiply
    15,302,256.72x = 21,116,905.64 × 8,686,787.64
  4. Step 4: Simplify right side
    15,302,256.72x = 183,438,074,818,551.44
  5. Step 5: Solve for x
    x = 183,438,074,818,551.44/15,302,256.72
  6. Step 6: Final answer
    x = 11,987,648.50

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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.