Home / 7,240,904.49-10,865,841.71-4,209,696.84

Finding the Fourth Proportional to 7,240,904.49, 10,865,841.71 and 4,209,696.84

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Solution

The fourth proportional to 7,240,904.49, 10,865,841.71 and 4,209,696.84 is: 6,317,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,904.49 : 10,865,841.71 = 4,209,696.84 : x
  2. Step 2: Convert to fraction form
    7,240,904.49/10,865,841.71 = 4,209,696.84/x
  3. Step 3: Cross multiply
    7,240,904.49x = 10,865,841.71 × 4,209,696.84
  4. Step 4: Simplify right side
    7,240,904.49x = 45,741,899,489,478.71
  5. Step 5: Solve for x
    x = 45,741,899,489,478.71/7,240,904.49
  6. Step 6: Final answer
    x = 6,317,152.72

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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.