Home / 12,714,048.86-17,545,263.63-6,912,830.57

Finding the Fourth Proportional to 12,714,048.86, 17,545,263.63 and 6,912,830.57

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Solution

The fourth proportional to 12,714,048.86, 17,545,263.63 and 6,912,830.57 is: 9,539,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714,048.86 : 17,545,263.63 = 6,912,830.57 : x
  2. Step 2: Convert to fraction form
    12,714,048.86/17,545,263.63 = 6,912,830.57/x
  3. Step 3: Cross multiply
    12,714,048.86x = 17,545,263.63 × 6,912,830.57
  4. Step 4: Simplify right side
    12,714,048.86x = 121,287,434,692,446.84
  5. Step 5: Solve for x
    x = 121,287,434,692,446.84/12,714,048.86
  6. Step 6: Final answer
    x = 9,539,638.87

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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.