Home / 21,647,423.04-29,862,117.93-13,384,844.07

Finding the Fourth Proportional to 21,647,423.04, 29,862,117.93 and 13,384,844.07

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Solution

The fourth proportional to 21,647,423.04, 29,862,117.93 and 13,384,844.07 is: 18,464,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647,423.04 : 29,862,117.93 = 13,384,844.07 : x
  2. Step 2: Convert to fraction form
    21,647,423.04/29,862,117.93 = 13,384,844.07/x
  3. Step 3: Cross multiply
    21,647,423.04x = 29,862,117.93 × 13,384,844.07
  4. Step 4: Simplify right side
    21,647,423.04x = 399,699,792,093,001.19
  5. Step 5: Solve for x
    x = 399,699,792,093,001.19/21,647,423.04
  6. Step 6: Final answer
    x = 18,464,081.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.