Home / 15,583,132.32-21,506,858.40-8,967,584.64

Finding the Fourth Proportional to 15,583,132.32, 21,506,858.40 and 8,967,584.64

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Solution

The fourth proportional to 15,583,132.32, 21,506,858.40 and 8,967,584.64 is: 12,376,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583,132.32 : 21,506,858.40 = 8,967,584.64 : x
  2. Step 2: Convert to fraction form
    15,583,132.32/21,506,858.40 = 8,967,584.64/x
  3. Step 3: Cross multiply
    15,583,132.32x = 21,506,858.40 × 8,967,584.64
  4. Step 4: Simplify right side
    15,583,132.32x = 192,864,573,042,494.97
  5. Step 5: Solve for x
    x = 192,864,573,042,494.97/15,583,132.32
  6. Step 6: Final answer
    x = 12,376,495.89

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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.