Home / 6,441,292.11-8,889,001.55-3,688,021.77

Finding the Fourth Proportional to 6,441,292.11, 8,889,001.55 and 3,688,021.77

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Solution

The fourth proportional to 6,441,292.11, 8,889,001.55 and 3,688,021.77 is: 5,089,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441,292.11 : 8,889,001.55 = 3,688,021.77 : x
  2. Step 2: Convert to fraction form
    6,441,292.11/8,889,001.55 = 3,688,021.77/x
  3. Step 3: Cross multiply
    6,441,292.11x = 8,889,001.55 × 3,688,021.77
  4. Step 4: Simplify right side
    6,441,292.11x = 32,782,831,208,686.84
  5. Step 5: Solve for x
    x = 32,782,831,208,686.84/6,441,292.11
  6. Step 6: Final answer
    x = 5,089,480.60

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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.