Home / 12,749,761.31-19,130,276.22-6,683,042.45

Finding the Fourth Proportional to 12,749,761.31, 19,130,276.22 and 6,683,042.45

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Solution

The fourth proportional to 12,749,761.31, 19,130,276.22 and 6,683,042.45 is: 10,027,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,761.31 : 19,130,276.22 = 6,683,042.45 : x
  2. Step 2: Convert to fraction form
    12,749,761.31/19,130,276.22 = 6,683,042.45/x
  3. Step 3: Cross multiply
    12,749,761.31x = 19,130,276.22 × 6,683,042.45
  4. Step 4: Simplify right side
    12,749,761.31x = 127,848,447,962,834.16
  5. Step 5: Solve for x
    x = 127,848,447,962,834.16/12,749,761.31
  6. Step 6: Final answer
    x = 10,027,516.98

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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.