Home / 10,071,458.79-15,105,670.39-6,453,471.38

Finding the Fourth Proportional to 10,071,458.79, 15,105,670.39 and 6,453,471.38

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Solution

The fourth proportional to 10,071,458.79, 15,105,670.39 and 6,453,471.38 is: 9,679,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,458.79 : 15,105,670.39 = 6,453,471.38 : x
  2. Step 2: Convert to fraction form
    10,071,458.79/15,105,670.39 = 6,453,471.38/x
  3. Step 3: Cross multiply
    10,071,458.79x = 15,105,670.39 × 6,453,471.38
  4. Step 4: Simplify right side
    10,071,458.79x = 97,484,011,462,050.09
  5. Step 5: Solve for x
    x = 97,484,011,462,050.09/10,071,458.79
  6. Step 6: Final answer
    x = 9,679,234.51

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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.