Home / 10,871,712.70-16,307,569.05-4,478,674.30

Finding the Fourth Proportional to 10,871,712.70, 16,307,569.05 and 4,478,674.30

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Solution

The fourth proportional to 10,871,712.70, 16,307,569.05 and 4,478,674.30 is: 6,718,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,712.70 : 16,307,569.05 = 4,478,674.30 : x
  2. Step 2: Convert to fraction form
    10,871,712.70/16,307,569.05 = 4,478,674.30/x
  3. Step 3: Cross multiply
    10,871,712.70x = 16,307,569.05 × 4,478,674.30
  4. Step 4: Simplify right side
    10,871,712.70x = 73,036,290,399,710.42
  5. Step 5: Solve for x
    x = 73,036,290,399,710.42/10,871,712.70
  6. Step 6: Final answer
    x = 6,718,011.45

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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.