Home / 15,464,807.84-21,340,841.64-8,589,728.72

Finding the Fourth Proportional to 15,464,807.84, 21,340,841.64 and 8,589,728.72

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Solution

The fourth proportional to 15,464,807.84, 21,340,841.64 and 8,589,728.72 is: 11,853,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464,807.84 : 21,340,841.64 = 8,589,728.72 : x
  2. Step 2: Convert to fraction form
    15,464,807.84/21,340,841.64 = 8,589,728.72/x
  3. Step 3: Cross multiply
    15,464,807.84x = 21,340,841.64 × 8,589,728.72
  4. Step 4: Simplify right side
    15,464,807.84x = 183,312,040,344,079.91
  5. Step 5: Solve for x
    x = 183,312,040,344,079.91/15,464,807.84
  6. Step 6: Final answer
    x = 11,853,496.16

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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.