Home / 13,904,230.40-20,879,965.20-10,314,051.20

Finding the Fourth Proportional to 13,904,230.40, 20,879,965.20 and 10,314,051.20

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Solution

The fourth proportional to 13,904,230.40, 20,879,965.20 and 10,314,051.20 is: 15,488,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,230.40 : 20,879,965.20 = 10,314,051.20 : x
  2. Step 2: Convert to fraction form
    13,904,230.40/20,879,965.20 = 10,314,051.20/x
  3. Step 3: Cross multiply
    13,904,230.40x = 20,879,965.20 × 10,314,051.20
  4. Step 4: Simplify right side
    13,904,230.40x = 215,357,030,127,018.22
  5. Step 5: Solve for x
    x = 215,357,030,127,018.22/13,904,230.40
  6. Step 6: Final answer
    x = 15,488,597.64

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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.