Home / 19,315,230.80-28,972,846.20-5,852,728.40

Finding the Fourth Proportional to 19,315,230.80, 28,972,846.20 and 5,852,728.40

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Solution

The fourth proportional to 19,315,230.80, 28,972,846.20 and 5,852,728.40 is: 8,779,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,230.80 : 28,972,846.20 = 5,852,728.40 : x
  2. Step 2: Convert to fraction form
    19,315,230.80/28,972,846.20 = 5,852,728.40/x
  3. Step 3: Cross multiply
    19,315,230.80x = 28,972,846.20 × 5,852,728.40
  4. Step 4: Simplify right side
    19,315,230.80x = 169,570,199,783,572.09
  5. Step 5: Solve for x
    x = 169,570,199,783,572.09/19,315,230.80
  6. Step 6: Final answer
    x = 8,779,092.60

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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.