Home / 14,365,477.80-21,520,223.10-8,668,780.20

Finding the Fourth Proportional to 14,365,477.80, 21,520,223.10 and 8,668,780.20

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Solution

The fourth proportional to 14,365,477.80, 21,520,223.10 and 8,668,780.20 is: 12,986,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,477.80 : 21,520,223.10 = 8,668,780.20 : x
  2. Step 2: Convert to fraction form
    14,365,477.80/21,520,223.10 = 8,668,780.20/x
  3. Step 3: Cross multiply
    14,365,477.80x = 21,520,223.10 × 8,668,780.20
  4. Step 4: Simplify right side
    14,365,477.80x = 186,554,083,908,862.62
  5. Step 5: Solve for x
    x = 186,554,083,908,862.62/14,365,477.80
  6. Step 6: Final answer
    x = 12,986,277.69

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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.