Home / 38,765,106.18-53,496,205.29-21,362,074.20

Finding the Fourth Proportional to 38,765,106.18, 53,496,205.29 and 21,362,074.20

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Solution

The fourth proportional to 38,765,106.18, 53,496,205.29 and 21,362,074.20 is: 29,479,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,106.18 : 53,496,205.29 = 21,362,074.20 : x
  2. Step 2: Convert to fraction form
    38,765,106.18/53,496,205.29 = 21,362,074.20/x
  3. Step 3: Cross multiply
    38,765,106.18x = 53,496,205.29 × 21,362,074.20
  4. Step 4: Simplify right side
    38,765,106.18x = 1,142,789,906,823,412.50
  5. Step 5: Solve for x
    x = 1,142,789,906,823,412.50/38,765,106.18
  6. Step 6: Final answer
    x = 29,479,860.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.