Home / 38,440,775.48-53,047,561.57-21,036,771.63

Finding the Fourth Proportional to 38,440,775.48, 53,047,561.57 and 21,036,771.63

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Solution

The fourth proportional to 38,440,775.48, 53,047,561.57 and 21,036,771.63 is: 29,030,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440,775.48 : 53,047,561.57 = 21,036,771.63 : x
  2. Step 2: Convert to fraction form
    38,440,775.48/53,047,561.57 = 21,036,771.63/x
  3. Step 3: Cross multiply
    38,440,775.48x = 53,047,561.57 × 21,036,771.63
  4. Step 4: Simplify right side
    38,440,775.48x = 1,115,949,438,223,862.38
  5. Step 5: Solve for x
    x = 1,115,949,438,223,862.38/38,440,775.48
  6. Step 6: Final answer
    x = 29,030,357.07

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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.