Home / 28,246,513.80-42,369,770.70-9,079,208.40

Finding the Fourth Proportional to 28,246,513.80, 42,369,770.70 and 9,079,208.40

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Solution

The fourth proportional to 28,246,513.80, 42,369,770.70 and 9,079,208.40 is: 13,618,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246,513.80 : 42,369,770.70 = 9,079,208.40 : x
  2. Step 2: Convert to fraction form
    28,246,513.80/42,369,770.70 = 9,079,208.40/x
  3. Step 3: Cross multiply
    28,246,513.80x = 42,369,770.70 × 9,079,208.40
  4. Step 4: Simplify right side
    28,246,513.80x = 384,683,978,045,513.94
  5. Step 5: Solve for x
    x = 384,683,978,045,513.94/28,246,513.80
  6. Step 6: Final answer
    x = 13,618,812.60

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1.5x scale

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.