Home / 38,996,587.69-53,816,914.10-21,592,932.37

Finding the Fourth Proportional to 38,996,587.69, 53,816,914.10 and 21,592,932.37

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Solution

The fourth proportional to 38,996,587.69, 53,816,914.10 and 21,592,932.37 is: 29,799,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,996,587.69 : 53,816,914.10 = 21,592,932.37 : x
  2. Step 2: Convert to fraction form
    38,996,587.69/53,816,914.10 = 21,592,932.37/x
  3. Step 3: Cross multiply
    38,996,587.69x = 53,816,914.10 × 21,592,932.37
  4. Step 4: Simplify right side
    38,996,587.69x = 1,162,064,986,523,399.50
  5. Step 5: Solve for x
    x = 1,162,064,986,523,399.50/38,996,587.69
  6. Step 6: Final answer
    x = 29,799,145.40

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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.