Home / 9,278,043.65-12,803,696.60-5,409,817.47

Finding the Fourth Proportional to 9,278,043.65, 12,803,696.60 and 5,409,817.47

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Solution

The fourth proportional to 9,278,043.65, 12,803,696.60 and 5,409,817.47 is: 7,465,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278,043.65 : 12,803,696.60 = 5,409,817.47 : x
  2. Step 2: Convert to fraction form
    9,278,043.65/12,803,696.60 = 5,409,817.47/x
  3. Step 3: Cross multiply
    9,278,043.65x = 12,803,696.60 × 5,409,817.47
  4. Step 4: Simplify right side
    9,278,043.65x = 69,265,661,520,210.52
  5. Step 5: Solve for x
    x = 69,265,661,520,210.52/9,278,043.65
  6. Step 6: Final answer
    x = 7,465,545.99

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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.