Home / 31,030,964.46-42,822,730.53-17,985,790.08

Finding the Fourth Proportional to 31,030,964.46, 42,822,730.53 and 17,985,790.08

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Solution

The fourth proportional to 31,030,964.46, 42,822,730.53 and 17,985,790.08 is: 24,820,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030,964.46 : 42,822,730.53 = 17,985,790.08 : x
  2. Step 2: Convert to fraction form
    31,030,964.46/42,822,730.53 = 17,985,790.08/x
  3. Step 3: Cross multiply
    31,030,964.46x = 42,822,730.53 × 17,985,790.08
  4. Step 4: Simplify right side
    31,030,964.46x = 770,200,641,964,987.12
  5. Step 5: Solve for x
    x = 770,200,641,964,987.12/31,030,964.46
  6. Step 6: Final answer
    x = 24,820,390.06

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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.