Home / 32,885,315.79-45,378,660.88-19,651,866.54

Finding the Fourth Proportional to 32,885,315.79, 45,378,660.88 and 19,651,866.54

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Solution

The fourth proportional to 32,885,315.79, 45,378,660.88 and 19,651,866.54 is: 27,117,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885,315.79 : 45,378,660.88 = 19,651,866.54 : x
  2. Step 2: Convert to fraction form
    32,885,315.79/45,378,660.88 = 19,651,866.54/x
  3. Step 3: Cross multiply
    32,885,315.79x = 45,378,660.88 × 19,651,866.54
  4. Step 4: Simplify right side
    32,885,315.79x = 891,775,387,377,679
  5. Step 5: Solve for x
    x = 891,775,387,377,679/32,885,315.79
  6. Step 6: Final answer
    x = 27,117,738.30

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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.