Home / 40,421,726.40-60,670,643.40-21,266,230.80

Finding the Fourth Proportional to 40,421,726.40, 60,670,643.40 and 21,266,230.80

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Solution

The fourth proportional to 40,421,726.40, 60,670,643.40 and 21,266,230.80 is: 31,919,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421,726.40 : 60,670,643.40 = 21,266,230.80 : x
  2. Step 2: Convert to fraction form
    40,421,726.40/60,670,643.40 = 21,266,230.80/x
  3. Step 3: Cross multiply
    40,421,726.40x = 60,670,643.40 × 21,266,230.80
  4. Step 4: Simplify right side
    40,421,726.40x = 1,290,235,905,328,896.75
  5. Step 5: Solve for x
    x = 1,290,235,905,328,896.75/40,421,726.40
  6. Step 6: Final answer
    x = 31,919,366.64

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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.