Home / 28,080,304.75-42,120,457.13-6,805,168.75

Finding the Fourth Proportional to 28,080,304.75, 42,120,457.13 and 6,805,168.75

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Solution

The fourth proportional to 28,080,304.75, 42,120,457.13 and 6,805,168.75 is: 10,207,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,304.75 : 42,120,457.13 = 6,805,168.75 : x
  2. Step 2: Convert to fraction form
    28,080,304.75/42,120,457.13 = 6,805,168.75/x
  3. Step 3: Cross multiply
    28,080,304.75x = 42,120,457.13 × 6,805,168.75
  4. Step 4: Simplify right side
    28,080,304.75x = 286,636,818,596,790.69
  5. Step 5: Solve for x
    x = 286,636,818,596,790.69/28,080,304.75
  6. Step 6: Final answer
    x = 10,207,753.13

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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.