Home / 7,810,395.64-11,715,243.54-2,130,601.72

Finding the Fourth Proportional to 7,810,395.64, 11,715,243.54 and 2,130,601.72

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Solution

The fourth proportional to 7,810,395.64, 11,715,243.54 and 2,130,601.72 is: 3,195,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810,395.64 : 11,715,243.54 = 2,130,601.72 : x
  2. Step 2: Convert to fraction form
    7,810,395.64/11,715,243.54 = 2,130,601.72/x
  3. Step 3: Cross multiply
    7,810,395.64x = 11,715,243.54 × 2,130,601.72
  4. Step 4: Simplify right side
    7,810,395.64x = 24,960,518,036,542.89
  5. Step 5: Solve for x
    x = 24,960,518,036,542.89/7,810,395.64
  6. Step 6: Final answer
    x = 3,195,807.13

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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.