Home / 12,956,828.72-17,880,423.68-7,524,670.64

Finding the Fourth Proportional to 12,956,828.72, 17,880,423.68 and 7,524,670.64

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Solution

The fourth proportional to 12,956,828.72, 17,880,423.68 and 7,524,670.64 is: 10,384,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,828.72 : 17,880,423.68 = 7,524,670.64 : x
  2. Step 2: Convert to fraction form
    12,956,828.72/17,880,423.68 = 7,524,670.64/x
  3. Step 3: Cross multiply
    12,956,828.72x = 17,880,423.68 × 7,524,670.64
  4. Step 4: Simplify right side
    12,956,828.72x = 134,544,299,095,656.75
  5. Step 5: Solve for x
    x = 134,544,299,095,656.75/12,956,828.72
  6. Step 6: Final answer
    x = 10,384,045.51

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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.