Home / 14,347,763.80-21,521,645.70-5,249,843.80

Finding the Fourth Proportional to 14,347,763.80, 21,521,645.70 and 5,249,843.80

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Solution

The fourth proportional to 14,347,763.80, 21,521,645.70 and 5,249,843.80 is: 7,874,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347,763.80 : 21,521,645.70 = 5,249,843.80 : x
  2. Step 2: Convert to fraction form
    14,347,763.80/21,521,645.70 = 5,249,843.80/x
  3. Step 3: Cross multiply
    14,347,763.80x = 21,521,645.70 × 5,249,843.80
  4. Step 4: Simplify right side
    14,347,763.80x = 112,985,278,243,941.66
  5. Step 5: Solve for x
    x = 112,985,278,243,941.66/14,347,763.80
  6. Step 6: Final answer
    x = 7,874,765.70

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1.5x scale

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.