Home / 11,038,556.80-16,557,835.20-9,358,940.80

Finding the Fourth Proportional to 11,038,556.80, 16,557,835.20 and 9,358,940.80

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Solution

The fourth proportional to 11,038,556.80, 16,557,835.20 and 9,358,940.80 is: 14,038,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038,556.80 : 16,557,835.20 = 9,358,940.80 : x
  2. Step 2: Convert to fraction form
    11,038,556.80/16,557,835.20 = 9,358,940.80/x
  3. Step 3: Cross multiply
    11,038,556.80x = 16,557,835.20 × 9,358,940.80
  4. Step 4: Simplify right side
    11,038,556.80x = 154,963,799,412,956.16
  5. Step 5: Solve for x
    x = 154,963,799,412,956.16/11,038,556.80
  6. Step 6: Final answer
    x = 14,038,411.20

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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.