Home / 30,543,674.31-42,149,186.04-16,792,538.31

Finding the Fourth Proportional to 30,543,674.31, 42,149,186.04 and 16,792,538.31

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Solution

The fourth proportional to 30,543,674.31, 42,149,186.04 and 16,792,538.31 is: 23,173,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,674.31 : 42,149,186.04 = 16,792,538.31 : x
  2. Step 2: Convert to fraction form
    30,543,674.31/42,149,186.04 = 16,792,538.31/x
  3. Step 3: Cross multiply
    30,543,674.31x = 42,149,186.04 × 16,792,538.31
  4. Step 4: Simplify right side
    30,543,674.31x = 707,791,821,312,017.12
  5. Step 5: Solve for x
    x = 707,791,821,312,017.12/30,543,674.31
  6. Step 6: Final answer
    x = 23,173,106.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.