Home / 28,479,825.79-39,301,354.30-16,718,905.24

Finding the Fourth Proportional to 28,479,825.79, 39,301,354.30 and 16,718,905.24

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Solution

The fourth proportional to 28,479,825.79, 39,301,354.30 and 16,718,905.24 is: 23,071,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479,825.79 : 39,301,354.30 = 16,718,905.24 : x
  2. Step 2: Convert to fraction form
    28,479,825.79/39,301,354.30 = 16,718,905.24/x
  3. Step 3: Cross multiply
    28,479,825.79x = 39,301,354.30 × 16,718,905.24
  4. Step 4: Simplify right side
    28,479,825.79x = 657,075,618,345,366.50
  5. Step 5: Solve for x
    x = 657,075,618,345,366.50/28,479,825.79
  6. Step 6: Final answer
    x = 23,071,616.49

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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.