Home / 38,862,692.40-58,256,713.80-30,222,001.20

Finding the Fourth Proportional to 38,862,692.40, 58,256,713.80 and 30,222,001.20

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Solution

The fourth proportional to 38,862,692.40, 58,256,713.80 and 30,222,001.20 is: 45,303,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862,692.40 : 58,256,713.80 = 30,222,001.20 : x
  2. Step 2: Convert to fraction form
    38,862,692.40/58,256,713.80 = 30,222,001.20/x
  3. Step 3: Cross multiply
    38,862,692.40x = 58,256,713.80 × 30,222,001.20
  4. Step 4: Simplify right side
    38,862,692.40x = 1,760,634,474,371,656.50
  5. Step 5: Solve for x
    x = 1,760,634,474,371,656.50/38,862,692.40
  6. Step 6: Final answer
    x = 45,303,975.76

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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.