Home / 6,927,549.90-9,559,994.86-3,871,764.15

Finding the Fourth Proportional to 6,927,549.90, 9,559,994.86 and 3,871,764.15

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Solution

The fourth proportional to 6,927,549.90, 9,559,994.86 and 3,871,764.15 is: 5,343,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927,549.90 : 9,559,994.86 = 3,871,764.15 : x
  2. Step 2: Convert to fraction form
    6,927,549.90/9,559,994.86 = 3,871,764.15/x
  3. Step 3: Cross multiply
    6,927,549.90x = 9,559,994.86 × 3,871,764.15
  4. Step 4: Simplify right side
    6,927,549.90x = 37,014,045,373,132.27
  5. Step 5: Solve for x
    x = 37,014,045,373,132.27/6,927,549.90
  6. Step 6: Final answer
    x = 5,343,021.11

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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.