Home / 8,292,647.28-11,443,411.80-4,670,742

Finding the Fourth Proportional to 8,292,647.28, 11,443,411.80 and 4,670,742

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Solution

The fourth proportional to 8,292,647.28, 11,443,411.80 and 4,670,742 is: 6,445,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292,647.28 : 11,443,411.80 = 4,670,742 : x
  2. Step 2: Convert to fraction form
    8,292,647.28/11,443,411.80 = 4,670,742/x
  3. Step 3: Cross multiply
    8,292,647.28x = 11,443,411.80 × 4,670,742
  4. Step 4: Simplify right side
    8,292,647.28x = 53,449,224,117,555.60
  5. Step 5: Solve for x
    x = 53,449,224,117,555.60/8,292,647.28
  6. Step 6: Final answer
    x = 6,445,375.32

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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.