Home / 12,631,352.64-17,430,213.60-7,124,424

Finding the Fourth Proportional to 12,631,352.64, 17,430,213.60 and 7,124,424

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Solution

The fourth proportional to 12,631,352.64, 17,430,213.60 and 7,124,424 is: 9,831,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,352.64 : 17,430,213.60 = 7,124,424 : x
  2. Step 2: Convert to fraction form
    12,631,352.64/17,430,213.60 = 7,124,424/x
  3. Step 3: Cross multiply
    12,631,352.64x = 17,430,213.60 × 7,124,424
  4. Step 4: Simplify right side
    12,631,352.64x = 124,180,232,096,966.41
  5. Step 5: Solve for x
    x = 124,180,232,096,966.41/12,631,352.64
  6. Step 6: Final answer
    x = 9,831,111.18

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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.