Home / 7,880,692.34-10,871,220.13-6,412,240.59

Finding the Fourth Proportional to 7,880,692.34, 10,871,220.13 and 6,412,240.59

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Solution

The fourth proportional to 7,880,692.34, 10,871,220.13 and 6,412,240.59 is: 8,845,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,692.34 : 10,871,220.13 = 6,412,240.59 : x
  2. Step 2: Convert to fraction form
    7,880,692.34/10,871,220.13 = 6,412,240.59/x
  3. Step 3: Cross multiply
    7,880,692.34x = 10,871,220.13 × 6,412,240.59
  4. Step 4: Simplify right side
    7,880,692.34x = 69,708,878,893,993.77
  5. Step 5: Solve for x
    x = 69,708,878,893,993.77/7,880,692.34
  6. Step 6: Final answer
    x = 8,845,527.26

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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.