Home / 15,316,795.74-21,137,178.24-8,441,277.88

Finding the Fourth Proportional to 15,316,795.74, 21,137,178.24 and 8,441,277.88

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Solution

The fourth proportional to 15,316,795.74, 21,137,178.24 and 8,441,277.88 is: 11,648,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,795.74 : 21,137,178.24 = 8,441,277.88 : x
  2. Step 2: Convert to fraction form
    15,316,795.74/21,137,178.24 = 8,441,277.88/x
  3. Step 3: Cross multiply
    15,316,795.74x = 21,137,178.24 × 8,441,277.88
  4. Step 4: Simplify right side
    15,316,795.74x = 178,424,795,122,929.34
  5. Step 5: Solve for x
    x = 178,424,795,122,929.34/15,316,795.74
  6. Step 6: Final answer
    x = 11,648,963.54

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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.