Home / 13,377,609.83-18,460,787.58-7,871,341.34

Finding the Fourth Proportional to 13,377,609.83, 18,460,787.58 and 7,871,341.34

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Solution

The fourth proportional to 13,377,609.83, 18,460,787.58 and 7,871,341.34 is: 10,862,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,609.83 : 18,460,787.58 = 7,871,341.34 : x
  2. Step 2: Convert to fraction form
    13,377,609.83/18,460,787.58 = 7,871,341.34/x
  3. Step 3: Cross multiply
    13,377,609.83x = 18,460,787.58 × 7,871,341.34
  4. Step 4: Simplify right side
    13,377,609.83x = 145,311,160,493,564.53
  5. Step 5: Solve for x
    x = 145,311,160,493,564.53/13,377,609.83
  6. Step 6: Final answer
    x = 10,862,266.30

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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.