Home / 8,905,984.92-12,282,664.12-6,845,991.28

Finding the Fourth Proportional to 8,905,984.92, 12,282,664.12 and 6,845,991.28

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Solution

The fourth proportional to 8,905,984.92, 12,282,664.12 and 6,845,991.28 is: 9,441,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,984.92 : 12,282,664.12 = 6,845,991.28 : x
  2. Step 2: Convert to fraction form
    8,905,984.92/12,282,664.12 = 6,845,991.28/x
  3. Step 3: Cross multiply
    8,905,984.92x = 12,282,664.12 × 6,845,991.28
  4. Step 4: Simplify right side
    8,905,984.92x = 84,087,011,460,688.88
  5. Step 5: Solve for x
    x = 84,087,011,460,688.88/8,905,984.92
  6. Step 6: Final answer
    x = 9,441,629.67

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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.