Home / 8,237,187.40-12,355,905.66-3,118,242.82

Finding the Fourth Proportional to 8,237,187.40, 12,355,905.66 and 3,118,242.82

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Solution

The fourth proportional to 8,237,187.40, 12,355,905.66 and 3,118,242.82 is: 4,677,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237,187.40 : 12,355,905.66 = 3,118,242.82 : x
  2. Step 2: Convert to fraction form
    8,237,187.40/12,355,905.66 = 3,118,242.82/x
  3. Step 3: Cross multiply
    8,237,187.40x = 12,355,905.66 × 3,118,242.82
  4. Step 4: Simplify right side
    8,237,187.40x = 38,528,714,047,112.84
  5. Step 5: Solve for x
    x = 38,528,714,047,112.84/8,237,187.40
  6. Step 6: Final answer
    x = 4,677,411.38

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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.