Home / 10,287,256.60-15,427,734.54-7,112,782.36

Finding the Fourth Proportional to 10,287,256.60, 15,427,734.54 and 7,112,782.36

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Solution

The fourth proportional to 10,287,256.60, 15,427,734.54 and 7,112,782.36 is: 10,666,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287,256.60 : 15,427,734.54 = 7,112,782.36 : x
  2. Step 2: Convert to fraction form
    10,287,256.60/15,427,734.54 = 7,112,782.36/x
  3. Step 3: Cross multiply
    10,287,256.60x = 15,427,734.54 × 7,112,782.36
  4. Step 4: Simplify right side
    10,287,256.60x = 109,734,118,090,874.72
  5. Step 5: Solve for x
    x = 109,734,118,090,874.72/10,287,256.60
  6. Step 6: Final answer
    x = 10,666,995.33

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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.