Home / 13,586,283.72-18,749,070.90-7,474,581

Finding the Fourth Proportional to 13,586,283.72, 18,749,070.90 and 7,474,581

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Solution

The fourth proportional to 13,586,283.72, 18,749,070.90 and 7,474,581 is: 10,314,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,283.72 : 18,749,070.90 = 7,474,581 : x
  2. Step 2: Convert to fraction form
    13,586,283.72/18,749,070.90 = 7,474,581/x
  3. Step 3: Cross multiply
    13,586,283.72x = 18,749,070.90 × 7,474,581
  4. Step 4: Simplify right side
    13,586,283.72x = 140,141,449,116,792.89
  5. Step 5: Solve for x
    x = 140,141,449,116,792.89/13,586,283.72
  6. Step 6: Final answer
    x = 10,314,921.43

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1.5x scale

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.