Home / 30,945,428.25-42,705,714.85-17,007,277.40

Finding the Fourth Proportional to 30,945,428.25, 42,705,714.85 and 17,007,277.40

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Solution

The fourth proportional to 30,945,428.25, 42,705,714.85 and 17,007,277.40 is: 23,470,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,428.25 : 42,705,714.85 = 17,007,277.40 : x
  2. Step 2: Convert to fraction form
    30,945,428.25/42,705,714.85 = 17,007,277.40/x
  3. Step 3: Cross multiply
    30,945,428.25x = 42,705,714.85 × 17,007,277.40
  4. Step 4: Simplify right side
    30,945,428.25x = 726,307,938,983,436
  5. Step 5: Solve for x
    x = 726,307,938,983,436/30,945,428.25
  6. Step 6: Final answer
    x = 23,470,605.52

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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.