Home / 21,343,870.19-29,454,506.98-11,554,311.78

Finding the Fourth Proportional to 21,343,870.19, 29,454,506.98 and 11,554,311.78

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Solution

The fourth proportional to 21,343,870.19, 29,454,506.98 and 11,554,311.78 is: 15,944,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,870.19 : 29,454,506.98 = 11,554,311.78 : x
  2. Step 2: Convert to fraction form
    21,343,870.19/29,454,506.98 = 11,554,311.78/x
  3. Step 3: Cross multiply
    21,343,870.19x = 29,454,506.98 × 11,554,311.78
  4. Step 4: Simplify right side
    21,343,870.19x = 340,326,556,944,220.44
  5. Step 5: Solve for x
    x = 340,326,556,944,220.44/21,343,870.19
  6. Step 6: Final answer
    x = 15,944,931.91

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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.