Home / 7,247,817.80-10,871,726.70-2,985,792.20

Finding the Fourth Proportional to 7,247,817.80, 10,871,726.70 and 2,985,792.20

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Solution

The fourth proportional to 7,247,817.80, 10,871,726.70 and 2,985,792.20 is: 4,478,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,817.80 : 10,871,726.70 = 2,985,792.20 : x
  2. Step 2: Convert to fraction form
    7,247,817.80/10,871,726.70 = 2,985,792.20/x
  3. Step 3: Cross multiply
    7,247,817.80x = 10,871,726.70 × 2,985,792.20
  4. Step 4: Simplify right side
    7,247,817.80x = 32,460,716,781,391.74
  5. Step 5: Solve for x
    x = 32,460,716,781,391.74/7,247,817.80
  6. Step 6: Final answer
    x = 4,478,688.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.