Home / 10,477,979.79-15,716,973.73-4,713,982.13

Finding the Fourth Proportional to 10,477,979.79, 15,716,973.73 and 4,713,982.13

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Solution

The fourth proportional to 10,477,979.79, 15,716,973.73 and 4,713,982.13 is: 7,070,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477,979.79 : 15,716,973.73 = 4,713,982.13 : x
  2. Step 2: Convert to fraction form
    10,477,979.79/15,716,973.73 = 4,713,982.13/x
  3. Step 3: Cross multiply
    10,477,979.79x = 15,716,973.73 × 4,713,982.13
  4. Step 4: Simplify right side
    10,477,979.79x = 74,089,533,234,099.53
  5. Step 5: Solve for x
    x = 74,089,533,234,099.53/10,477,979.79
  6. Step 6: Final answer
    x = 7,070,975.01

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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.