Home / 8,420,222.48-11,617,254.48-5,153,631.84

Finding the Fourth Proportional to 8,420,222.48, 11,617,254.48 and 5,153,631.84

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Solution

The fourth proportional to 8,420,222.48, 11,617,254.48 and 5,153,631.84 is: 7,110,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,222.48 : 11,617,254.48 = 5,153,631.84 : x
  2. Step 2: Convert to fraction form
    8,420,222.48/11,617,254.48 = 5,153,631.84/x
  3. Step 3: Cross multiply
    8,420,222.48x = 11,617,254.48 × 5,153,631.84
  4. Step 4: Simplify right side
    8,420,222.48x = 59,871,052,581,510.64
  5. Step 5: Solve for x
    x = 59,871,052,581,510.64/8,420,222.48
  6. Step 6: Final answer
    x = 7,110,388.44

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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.