Home / 13,172,467.20-19,771,142.40-8,133,619.20

Finding the Fourth Proportional to 13,172,467.20, 19,771,142.40 and 8,133,619.20

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Solution

The fourth proportional to 13,172,467.20, 19,771,142.40 and 8,133,619.20 is: 12,208,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,467.20 : 19,771,142.40 = 8,133,619.20 : x
  2. Step 2: Convert to fraction form
    13,172,467.20/19,771,142.40 = 8,133,619.20/x
  3. Step 3: Cross multiply
    13,172,467.20x = 19,771,142.40 × 8,133,619.20
  4. Step 4: Simplify right side
    13,172,467.20x = 160,810,943,430,574.06
  5. Step 5: Solve for x
    x = 160,810,943,430,574.06/13,172,467.20
  6. Step 6: Final answer
    x = 12,208,111.13

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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.