Home / 12,121,589.40-18,180,051.30-3,602,203.80

Finding the Fourth Proportional to 12,121,589.40, 18,180,051.30 and 3,602,203.80

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Solution

The fourth proportional to 12,121,589.40, 18,180,051.30 and 3,602,203.80 is: 5,402,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,589.40 : 18,180,051.30 = 3,602,203.80 : x
  2. Step 2: Convert to fraction form
    12,121,589.40/18,180,051.30 = 3,602,203.80/x
  3. Step 3: Cross multiply
    12,121,589.40x = 18,180,051.30 × 3,602,203.80
  4. Step 4: Simplify right side
    12,121,589.40x = 65,488,249,877,054.94
  5. Step 5: Solve for x
    x = 65,488,249,877,054.94/12,121,589.40
  6. Step 6: Final answer
    x = 5,402,612.46

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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.