Home / 13,652,621.57-18,840,681.98-7,457,754.23

Finding the Fourth Proportional to 13,652,621.57, 18,840,681.98 and 7,457,754.23

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Solution

The fourth proportional to 13,652,621.57, 18,840,681.98 and 7,457,754.23 is: 10,291,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652,621.57 : 18,840,681.98 = 7,457,754.23 : x
  2. Step 2: Convert to fraction form
    13,652,621.57/18,840,681.98 = 7,457,754.23/x
  3. Step 3: Cross multiply
    13,652,621.57x = 18,840,681.98 × 7,457,754.23
  4. Step 4: Simplify right side
    13,652,621.57x = 140,509,175,732,429.78
  5. Step 5: Solve for x
    x = 140,509,175,732,429.78/13,652,621.57
  6. Step 6: Final answer
    x = 10,291,735.91

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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.