Home / 6,871,867.80-10,307,801.70-6,242,011.80

Finding the Fourth Proportional to 6,871,867.80, 10,307,801.70 and 6,242,011.80

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Solution

The fourth proportional to 6,871,867.80, 10,307,801.70 and 6,242,011.80 is: 9,363,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871,867.80 : 10,307,801.70 = 6,242,011.80 : x
  2. Step 2: Convert to fraction form
    6,871,867.80/10,307,801.70 = 6,242,011.80/x
  3. Step 3: Cross multiply
    6,871,867.80x = 10,307,801.70 × 6,242,011.80
  4. Step 4: Simplify right side
    6,871,867.80x = 64,341,419,843,460.05
  5. Step 5: Solve for x
    x = 64,341,419,843,460.05/6,871,867.80
  6. Step 6: Final answer
    x = 9,363,017.70

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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.