Home / 10,477,980.79-15,716,975.23-4,713,983.13

Finding the Fourth Proportional to 10,477,980.79, 15,716,975.23 and 4,713,983.13

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Solution

The fourth proportional to 10,477,980.79, 15,716,975.23 and 4,713,983.13 is: 7,070,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477,980.79 : 15,716,975.23 = 4,713,983.13 : x
  2. Step 2: Convert to fraction form
    10,477,980.79/15,716,975.23 = 4,713,983.13/x
  3. Step 3: Cross multiply
    10,477,980.79x = 15,716,975.23 × 4,713,983.13
  4. Step 4: Simplify right side
    10,477,980.79x = 74,089,556,088,847.88
  5. Step 5: Solve for x
    x = 74,089,556,088,847.88/10,477,980.79
  6. Step 6: Final answer
    x = 7,070,976.51

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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.