Home / 28,634,674.50-42,958,736.71-9,465,430.91

Finding the Fourth Proportional to 28,634,674.50, 42,958,736.71 and 9,465,430.91

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Solution

The fourth proportional to 28,634,674.50, 42,958,736.71 and 9,465,430.91 is: 14,200,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634,674.50 : 42,958,736.71 = 9,465,430.91 : x
  2. Step 2: Convert to fraction form
    28,634,674.50/42,958,736.71 = 9,465,430.91/x
  3. Step 3: Cross multiply
    28,634,674.50x = 42,958,736.71 × 9,465,430.91
  4. Step 4: Simplify right side
    28,634,674.50x = 406,622,954,070,928.44
  5. Step 5: Solve for x
    x = 406,622,954,070,928.44/28,634,674.50
  6. Step 6: Final answer
    x = 14,200,369.35

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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.