Home / 12,749,171.67-19,127,800.18-4,551,638.02

Finding the Fourth Proportional to 12,749,171.67, 19,127,800.18 and 4,551,638.02

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Solution

The fourth proportional to 12,749,171.67, 19,127,800.18 and 4,551,638.02 is: 6,828,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,171.67 : 19,127,800.18 = 4,551,638.02 : x
  2. Step 2: Convert to fraction form
    12,749,171.67/19,127,800.18 = 4,551,638.02/x
  3. Step 3: Cross multiply
    12,749,171.67x = 19,127,800.18 × 4,551,638.02
  4. Step 4: Simplify right side
    12,749,171.67x = 87,062,822,479,052.23
  5. Step 5: Solve for x
    x = 87,062,822,479,052.23/12,749,171.67
  6. Step 6: Final answer
    x = 6,828,900.32

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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.