Home / 19,165,015.40-28,747,523.10-17,779,332.20

Finding the Fourth Proportional to 19,165,015.40, 28,747,523.10 and 17,779,332.20

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Solution

The fourth proportional to 19,165,015.40, 28,747,523.10 and 17,779,332.20 is: 26,668,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165,015.40 : 28,747,523.10 = 17,779,332.20 : x
  2. Step 2: Convert to fraction form
    19,165,015.40/28,747,523.10 = 17,779,332.20/x
  3. Step 3: Cross multiply
    19,165,015.40x = 28,747,523.10 × 17,779,332.20
  4. Step 4: Simplify right side
    19,165,015.40x = 511,111,763,122,073.81
  5. Step 5: Solve for x
    x = 511,111,763,122,073.81/19,165,015.40
  6. Step 6: Final answer
    x = 26,668,998.30

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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.