Home / 30,778,376.84-42,475,410.42-17,027,104.04

Finding the Fourth Proportional to 30,778,376.84, 42,475,410.42 and 17,027,104.04

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Solution

The fourth proportional to 30,778,376.84, 42,475,410.42 and 17,027,104.04 is: 23,498,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,778,376.84 : 42,475,410.42 = 17,027,104.04 : x
  2. Step 2: Convert to fraction form
    30,778,376.84/42,475,410.42 = 17,027,104.04/x
  3. Step 3: Cross multiply
    30,778,376.84x = 42,475,410.42 × 17,027,104.04
  4. Step 4: Simplify right side
    30,778,376.84x = 723,233,232,363,040.12
  5. Step 5: Solve for x
    x = 723,233,232,363,040.12/30,778,376.84
  6. Step 6: Final answer
    x = 23,498,095.31

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1.5x scale

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.