Home / 19,164,923.40-28,747,385.10-17,779,240.20

Finding the Fourth Proportional to 19,164,923.40, 28,747,385.10 and 17,779,240.20

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Solution

The fourth proportional to 19,164,923.40, 28,747,385.10 and 17,779,240.20 is: 26,668,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,923.40 : 28,747,385.10 = 17,779,240.20 : x
  2. Step 2: Convert to fraction form
    19,164,923.40/28,747,385.10 = 17,779,240.20/x
  3. Step 3: Cross multiply
    19,164,923.40x = 28,747,385.10 × 17,779,240.20
  4. Step 4: Simplify right side
    19,164,923.40x = 511,106,664,814,801
  5. Step 5: Solve for x
    x = 511,106,664,814,801/19,164,923.40
  6. Step 6: Final answer
    x = 26,668,860.30

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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.