Home / 10,976,319-15,152,585.63-7,715,928.60

Finding the Fourth Proportional to 10,976,319, 15,152,585.63 and 7,715,928.60

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Solution

The fourth proportional to 10,976,319, 15,152,585.63 and 7,715,928.60 is: 10,651,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976,319 : 15,152,585.63 = 7,715,928.60 : x
  2. Step 2: Convert to fraction form
    10,976,319/15,152,585.63 = 7,715,928.60/x
  3. Step 3: Cross multiply
    10,976,319x = 15,152,585.63 × 7,715,928.60
  4. Step 4: Simplify right side
    10,976,319x = 116,916,268,787,886.38
  5. Step 5: Solve for x
    x = 116,916,268,787,886.38/10,976,319
  6. Step 6: Final answer
    x = 10,651,682.84

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1.5x scale

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.