Home / 39,019,783-53,843,376.88-21,612,876.52

Finding the Fourth Proportional to 39,019,783, 53,843,376.88 and 21,612,876.52

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Solution

The fourth proportional to 39,019,783, 53,843,376.88 and 21,612,876.52 is: 29,823,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019,783 : 53,843,376.88 = 21,612,876.52 : x
  2. Step 2: Convert to fraction form
    39,019,783/53,843,376.88 = 21,612,876.52/x
  3. Step 3: Cross multiply
    39,019,783x = 53,843,376.88 × 21,612,876.52
  4. Step 4: Simplify right side
    39,019,783x = 1,163,710,255,927,263
  5. Step 5: Solve for x
    x = 1,163,710,255,927,263/39,019,783
  6. Step 6: Final answer
    x = 29,823,596.30

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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.