Home / 30,608,930.49-42,238,386.28-16,857,894.62

Finding the Fourth Proportional to 30,608,930.49, 42,238,386.28 and 16,857,894.62

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Solution

The fourth proportional to 30,608,930.49, 42,238,386.28 and 16,857,894.62 is: 23,262,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,930.49 : 42,238,386.28 = 16,857,894.62 : x
  2. Step 2: Convert to fraction form
    30,608,930.49/42,238,386.28 = 16,857,894.62/x
  3. Step 3: Cross multiply
    30,608,930.49x = 42,238,386.28 × 16,857,894.62
  4. Step 4: Simplify right side
    30,608,930.49x = 712,050,264,573,757.12
  5. Step 5: Solve for x
    x = 712,050,264,573,757.12/30,608,930.49
  6. Step 6: Final answer
    x = 23,262,827.32

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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.