Home / 28,724,008.24-39,638,938.16-16,334,106.48

Finding the Fourth Proportional to 28,724,008.24, 39,638,938.16 and 16,334,106.48

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Solution

The fourth proportional to 28,724,008.24, 39,638,938.16 and 16,334,106.48 is: 22,540,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724,008.24 : 39,638,938.16 = 16,334,106.48 : x
  2. Step 2: Convert to fraction form
    28,724,008.24/39,638,938.16 = 16,334,106.48/x
  3. Step 3: Cross multiply
    28,724,008.24x = 39,638,938.16 × 16,334,106.48
  4. Step 4: Simplify right side
    28,724,008.24x = 647,466,636,659,575.25
  5. Step 5: Solve for x
    x = 647,466,636,659,575.25/28,724,008.24
  6. Step 6: Final answer
    x = 22,540,957.07

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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.