Home / 13,283,585.48-19,931,676.78-7,902,865.64

Finding the Fourth Proportional to 13,283,585.48, 19,931,676.78 and 7,902,865.64

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Solution

The fourth proportional to 13,283,585.48, 19,931,676.78 and 7,902,865.64 is: 11,858,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,585.48 : 19,931,676.78 = 7,902,865.64 : x
  2. Step 2: Convert to fraction form
    13,283,585.48/19,931,676.78 = 7,902,865.64/x
  3. Step 3: Cross multiply
    13,283,585.48x = 19,931,676.78 × 7,902,865.64
  4. Step 4: Simplify right side
    13,283,585.48x = 157,517,363,572,247.84
  5. Step 5: Solve for x
    x = 157,517,363,572,247.84/13,283,585.48
  6. Step 6: Final answer
    x = 11,858,045.69

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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.