Home / 31,078,121.82-46,621,437.06-10,602,343.85

Finding the Fourth Proportional to 31,078,121.82, 46,621,437.06 and 10,602,343.85

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Solution

The fourth proportional to 31,078,121.82, 46,621,437.06 and 10,602,343.85 is: 15,904,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078,121.82 : 46,621,437.06 = 10,602,343.85 : x
  2. Step 2: Convert to fraction form
    31,078,121.82/46,621,437.06 = 10,602,343.85/x
  3. Step 3: Cross multiply
    31,078,121.82x = 46,621,437.06 × 10,602,343.85
  4. Step 4: Simplify right side
    31,078,121.82x = 494,296,506,258,145.94
  5. Step 5: Solve for x
    x = 494,296,506,258,145.94/31,078,121.82
  6. Step 6: Final answer
    x = 15,904,967.14

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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.