Home / 10,915,200.80-15,303,676-10,915,200.80

Finding the Fourth Proportional to 10,915,200.80, 15,303,676 and 10,915,200.80

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Solution

The fourth proportional to 10,915,200.80, 15,303,676 and 10,915,200.80 is: 15,303,676

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,200.80 : 15,303,676 = 10,915,200.80 : x
  2. Step 2: Convert to fraction form
    10,915,200.80/15,303,676 = 10,915,200.80/x
  3. Step 3: Cross multiply
    10,915,200.80x = 15,303,676 × 10,915,200.80
  4. Step 4: Simplify right side
    10,915,200.80x = 167,042,696,518,140.81
  5. Step 5: Solve for x
    x = 167,042,696,518,140.81/10,915,200.80
  6. Step 6: Final answer
    x = 15,303,676

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.