Home / 38,666,658.12-53,346,927.56-21,919,601.04

Finding the Fourth Proportional to 38,666,658.12, 53,346,927.56 and 21,919,601.04

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Solution

The fourth proportional to 38,666,658.12, 53,346,927.56 and 21,919,601.04 is: 30,241,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666,658.12 : 53,346,927.56 = 21,919,601.04 : x
  2. Step 2: Convert to fraction form
    38,666,658.12/53,346,927.56 = 21,919,601.04/x
  3. Step 3: Cross multiply
    38,666,658.12x = 53,346,927.56 × 21,919,601.04
  4. Step 4: Simplify right side
    38,666,658.12x = 1,169,343,368,824,980.75
  5. Step 5: Solve for x
    x = 1,169,343,368,824,980.75/38,666,658.12
  6. Step 6: Final answer
    x = 30,241,645.53

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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.