Home / 13,870,783.85-20,814,395.34-7,727,907.15

Finding the Fourth Proportional to 13,870,783.85, 20,814,395.34 and 7,727,907.15

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Solution

The fourth proportional to 13,870,783.85, 20,814,395.34 and 7,727,907.15 is: 11,596,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,783.85 : 20,814,395.34 = 7,727,907.15 : x
  2. Step 2: Convert to fraction form
    13,870,783.85/20,814,395.34 = 7,727,907.15/x
  3. Step 3: Cross multiply
    13,870,783.85x = 20,814,395.34 × 7,727,907.15
  4. Step 4: Simplify right side
    13,870,783.85x = 160,851,714,599,892.34
  5. Step 5: Solve for x
    x = 160,851,714,599,892.34/13,870,783.85
  6. Step 6: Final answer
    x = 11,596,440.14

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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.