Home / 31,029,934.65-42,821,307.72-17,984,760.32

Finding the Fourth Proportional to 31,029,934.65, 42,821,307.72 and 17,984,760.32

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Solution

The fourth proportional to 31,029,934.65, 42,821,307.72 and 17,984,760.32 is: 24,818,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029,934.65 : 42,821,307.72 = 17,984,760.32 : x
  2. Step 2: Convert to fraction form
    31,029,934.65/42,821,307.72 = 17,984,760.32/x
  3. Step 3: Cross multiply
    31,029,934.65x = 42,821,307.72 × 17,984,760.32
  4. Step 4: Simplify right side
    31,029,934.65x = 770,130,955,719,059.12
  5. Step 5: Solve for x
    x = 770,130,955,719,059.12/31,029,934.65
  6. Step 6: Final answer
    x = 24,818,968.02

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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.