Home / 9,513,828.30-13,129,091.40-5,162,914.50

Finding the Fourth Proportional to 9,513,828.30, 13,129,091.40 and 5,162,914.50

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Solution

The fourth proportional to 9,513,828.30, 13,129,091.40 and 5,162,914.50 is: 7,124,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,828.30 : 13,129,091.40 = 5,162,914.50 : x
  2. Step 2: Convert to fraction form
    9,513,828.30/13,129,091.40 = 5,162,914.50/x
  3. Step 3: Cross multiply
    9,513,828.30x = 13,129,091.40 × 5,162,914.50
  4. Step 4: Simplify right side
    9,513,828.30x = 67,784,376,360,885.30
  5. Step 5: Solve for x
    x = 67,784,376,360,885.30/9,513,828.30
  6. Step 6: Final answer
    x = 7,124,826.54

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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.