Home / 28,142,284.80-42,213,427.20-26,574,643.20

Finding the Fourth Proportional to 28,142,284.80, 42,213,427.20 and 26,574,643.20

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Solution

The fourth proportional to 28,142,284.80, 42,213,427.20 and 26,574,643.20 is: 39,861,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142,284.80 : 42,213,427.20 = 26,574,643.20 : x
  2. Step 2: Convert to fraction form
    28,142,284.80/42,213,427.20 = 26,574,643.20/x
  3. Step 3: Cross multiply
    28,142,284.80x = 42,213,427.20 × 26,574,643.20
  4. Step 4: Simplify right side
    28,142,284.80x = 1,121,806,766,089,175.12
  5. Step 5: Solve for x
    x = 1,121,806,766,089,175.12/28,142,284.80
  6. Step 6: Final answer
    x = 39,861,964.80

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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.