Home / 14,208,288.80-21,312,433.20-10,429,152.80

Finding the Fourth Proportional to 14,208,288.80, 21,312,433.20 and 10,429,152.80

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Solution

The fourth proportional to 14,208,288.80, 21,312,433.20 and 10,429,152.80 is: 15,643,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,288.80 : 21,312,433.20 = 10,429,152.80 : x
  2. Step 2: Convert to fraction form
    14,208,288.80/21,312,433.20 = 10,429,152.80/x
  3. Step 3: Cross multiply
    14,208,288.80x = 21,312,433.20 × 10,429,152.80
  4. Step 4: Simplify right side
    14,208,288.80x = 222,270,622,382,592.97
  5. Step 5: Solve for x
    x = 222,270,622,382,592.97/14,208,288.80
  6. Step 6: Final answer
    x = 15,643,729.20

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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.