Home / 28,176,680.80-42,270,330.48-10,674,480.52

Finding the Fourth Proportional to 28,176,680.80, 42,270,330.48 and 10,674,480.52

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Solution

The fourth proportional to 28,176,680.80, 42,270,330.48 and 10,674,480.52 is: 16,013,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176,680.80 : 42,270,330.48 = 10,674,480.52 : x
  2. Step 2: Convert to fraction form
    28,176,680.80/42,270,330.48 = 10,674,480.52/x
  3. Step 3: Cross multiply
    28,176,680.80x = 42,270,330.48 × 10,674,480.52
  4. Step 4: Simplify right side
    28,176,680.80x = 451,213,819,282,722.19
  5. Step 5: Solve for x
    x = 451,213,819,282,722.19/28,176,680.80
  6. Step 6: Final answer
    x = 16,013,732.15

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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.