Home / 12,460,264.40-18,660,905.40-8,449,461.20

Finding the Fourth Proportional to 12,460,264.40, 18,660,905.40 and 8,449,461.20

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Solution

The fourth proportional to 12,460,264.40, 18,660,905.40 and 8,449,461.20 is: 12,654,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460,264.40 : 18,660,905.40 = 8,449,461.20 : x
  2. Step 2: Convert to fraction form
    12,460,264.40/18,660,905.40 = 8,449,461.20/x
  3. Step 3: Cross multiply
    12,460,264.40x = 18,660,905.40 × 8,449,461.20
  4. Step 4: Simplify right side
    12,460,264.40x = 157,674,596,134,170.47
  5. Step 5: Solve for x
    x = 157,674,596,134,170.47/12,460,264.40
  6. Step 6: Final answer
    x = 12,654,193.45

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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.