Home / 38,986,357.50-53,799,041.88-21,341,846.76

Finding the Fourth Proportional to 38,986,357.50, 53,799,041.88 and 21,341,846.76

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Solution

The fourth proportional to 38,986,357.50, 53,799,041.88 and 21,341,846.76 is: 29,450,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,357.50 : 53,799,041.88 = 21,341,846.76 : x
  2. Step 2: Convert to fraction form
    38,986,357.50/53,799,041.88 = 21,341,846.76/x
  3. Step 3: Cross multiply
    38,986,357.50x = 53,799,041.88 × 21,341,846.76
  4. Step 4: Simplify right side
    38,986,357.50x = 1,148,170,907,637,782.50
  5. Step 5: Solve for x
    x = 1,148,170,907,637,782.50/38,986,357.50
  6. Step 6: Final answer
    x = 29,450,581.72

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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.