Home / 23,022,853.81-31,771,639.74-12,709,661.65

Finding the Fourth Proportional to 23,022,853.81, 31,771,639.74 and 12,709,661.65

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Solution

The fourth proportional to 23,022,853.81, 31,771,639.74 and 12,709,661.65 is: 17,539,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022,853.81 : 31,771,639.74 = 12,709,661.65 : x
  2. Step 2: Convert to fraction form
    23,022,853.81/31,771,639.74 = 12,709,661.65/x
  3. Step 3: Cross multiply
    23,022,853.81x = 31,771,639.74 × 12,709,661.65
  4. Step 4: Simplify right side
    23,022,853.81x = 403,806,791,161,093.94
  5. Step 5: Solve for x
    x = 403,806,791,161,093.94/23,022,853.81
  6. Step 6: Final answer
    x = 17,539,389.10

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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.