Home / 10,871,711.70-16,307,567.55-4,478,673.30

Finding the Fourth Proportional to 10,871,711.70, 16,307,567.55 and 4,478,673.30

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Solution

The fourth proportional to 10,871,711.70, 16,307,567.55 and 4,478,673.30 is: 6,718,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,711.70 : 16,307,567.55 = 4,478,673.30 : x
  2. Step 2: Convert to fraction form
    10,871,711.70/16,307,567.55 = 4,478,673.30/x
  3. Step 3: Cross multiply
    10,871,711.70x = 16,307,567.55 × 4,478,673.30
  4. Step 4: Simplify right side
    10,871,711.70x = 73,036,267,374,131.42
  5. Step 5: Solve for x
    x = 73,036,267,374,131.42/10,871,711.70
  6. Step 6: Final answer
    x = 6,718,009.95

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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.