Home / 25,758,356.80-38,637,535.20-19,333,825.60

Finding the Fourth Proportional to 25,758,356.80, 38,637,535.20 and 19,333,825.60

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Solution

The fourth proportional to 25,758,356.80, 38,637,535.20 and 19,333,825.60 is: 29,000,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758,356.80 : 38,637,535.20 = 19,333,825.60 : x
  2. Step 2: Convert to fraction form
    25,758,356.80/38,637,535.20 = 19,333,825.60/x
  3. Step 3: Cross multiply
    25,758,356.80x = 38,637,535.20 × 19,333,825.60
  4. Step 4: Simplify right side
    25,758,356.80x = 747,011,367,170,661.25
  5. Step 5: Solve for x
    x = 747,011,367,170,661.25/25,758,356.80
  6. Step 6: Final answer
    x = 29,000,738.40

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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.