Home / 12,974,628.72-17,904,768.16-9,260,299.00

Finding the Fourth Proportional to 12,974,628.72, 17,904,768.16 and 9,260,299.00

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Solution

The fourth proportional to 12,974,628.72, 17,904,768.16 and 9,260,299.00 is: 12,779,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,628.72 : 17,904,768.16 = 9,260,299.00 : x
  2. Step 2: Convert to fraction form
    12,974,628.72/17,904,768.16 = 9,260,299.00/x
  3. Step 3: Cross multiply
    12,974,628.72x = 17,904,768.16 × 9,260,299.00
  4. Step 4: Simplify right side
    12,974,628.72x = 165,803,506,597,756
  5. Step 5: Solve for x
    x = 165,803,506,597,756/12,974,628.72
  6. Step 6: Final answer
    x = 12,779,055.97

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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.