Home / 7,874,570.50-10,871,631.21-5,163,040.42

Finding the Fourth Proportional to 7,874,570.50, 10,871,631.21 and 5,163,040.42

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Solution

The fourth proportional to 7,874,570.50, 10,871,631.21 and 5,163,040.42 is: 7,128,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,570.50 : 10,871,631.21 = 5,163,040.42 : x
  2. Step 2: Convert to fraction form
    7,874,570.50/10,871,631.21 = 5,163,040.42/x
  3. Step 3: Cross multiply
    7,874,570.50x = 10,871,631.21 × 5,163,040.42
  4. Step 4: Simplify right side
    7,874,570.50x = 56,130,671,368,563.52
  5. Step 5: Solve for x
    x = 56,130,671,368,563.52/7,874,570.50
  6. Step 6: Final answer
    x = 7,128,093.06

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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.