Home / 38,838,692.40-58,274,368.20-20,866,801.20

Finding the Fourth Proportional to 38,838,692.40, 58,274,368.20 and 20,866,801.20

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Solution

The fourth proportional to 38,838,692.40, 58,274,368.20 and 20,866,801.20 is: 31,308,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,838,692.40 : 58,274,368.20 = 20,866,801.20 : x
  2. Step 2: Convert to fraction form
    38,838,692.40/58,274,368.20 = 20,866,801.20/x
  3. Step 3: Cross multiply
    38,838,692.40x = 58,274,368.20 × 20,866,801.20
  4. Step 4: Simplify right side
    38,838,692.40x = 1,215,999,656,285,001.75
  5. Step 5: Solve for x
    x = 1,215,999,656,285,001.75/38,838,692.40
  6. Step 6: Final answer
    x = 31,308,975.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.