Home / 12,602,801.40-18,856,962.90-8,351,273.40

Finding the Fourth Proportional to 12,602,801.40, 18,856,962.90 and 8,351,273.40

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Solution

The fourth proportional to 12,602,801.40, 18,856,962.90 and 8,351,273.40 is: 12,495,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,801.40 : 18,856,962.90 = 8,351,273.40 : x
  2. Step 2: Convert to fraction form
    12,602,801.40/18,856,962.90 = 8,351,273.40/x
  3. Step 3: Cross multiply
    12,602,801.40x = 18,856,962.90 × 8,351,273.40
  4. Step 4: Simplify right side
    12,602,801.40x = 157,479,652,671,556.84
  5. Step 5: Solve for x
    x = 157,479,652,671,556.84/12,602,801.40
  6. Step 6: Final answer
    x = 12,495,606.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.