Home / 12,631,354.14-17,430,215.67-7,124,425.50

Finding the Fourth Proportional to 12,631,354.14, 17,430,215.67 and 7,124,425.50

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Solution

The fourth proportional to 12,631,354.14, 17,430,215.67 and 7,124,425.50 is: 9,831,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,354.14 : 17,430,215.67 = 7,124,425.50 : x
  2. Step 2: Convert to fraction form
    12,631,354.14/17,430,215.67 = 7,124,425.50/x
  3. Step 3: Cross multiply
    12,631,354.14x = 17,430,215.67 × 7,124,425.50
  4. Step 4: Simplify right side
    12,631,354.14x = 124,180,272,989,847.59
  5. Step 5: Solve for x
    x = 124,180,272,989,847.59/12,631,354.14
  6. Step 6: Final answer
    x = 9,831,113.25

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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.