Home / 28,083,200.40-42,093,307.80-14,431,071.60

Finding the Fourth Proportional to 28,083,200.40, 42,093,307.80 and 14,431,071.60

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Solution

The fourth proportional to 28,083,200.40, 42,093,307.80 and 14,431,071.60 is: 21,630,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,200.40 : 42,093,307.80 = 14,431,071.60 : x
  2. Step 2: Convert to fraction form
    28,083,200.40/42,093,307.80 = 14,431,071.60/x
  3. Step 3: Cross multiply
    28,083,200.40x = 42,093,307.80 × 14,431,071.60
  4. Step 4: Simplify right side
    28,083,200.40x = 607,451,538,742,638.38
  5. Step 5: Solve for x
    x = 607,451,538,742,638.38/28,083,200.40
  6. Step 6: Final answer
    x = 21,630,424.24

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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.