Home / 13,872,216.20-20,811,953.10-5,352,830.60

Finding the Fourth Proportional to 13,872,216.20, 20,811,953.10 and 5,352,830.60

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Solution

The fourth proportional to 13,872,216.20, 20,811,953.10 and 5,352,830.60 is: 8,030,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,216.20 : 20,811,953.10 = 5,352,830.60 : x
  2. Step 2: Convert to fraction form
    13,872,216.20/20,811,953.10 = 5,352,830.60/x
  3. Step 3: Cross multiply
    13,872,216.20x = 20,811,953.10 × 5,352,830.60
  4. Step 4: Simplify right side
    13,872,216.20x = 111,402,859,399,444.86
  5. Step 5: Solve for x
    x = 111,402,859,399,444.86/13,872,216.20
  6. Step 6: Final answer
    x = 8,030,646.13

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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.