Home / 7,401,783.60-11,121,337.80-4,707,399.60

Finding the Fourth Proportional to 7,401,783.60, 11,121,337.80 and 4,707,399.60

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Solution

The fourth proportional to 7,401,783.60, 11,121,337.80 and 4,707,399.60 is: 7,072,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401,783.60 : 11,121,337.80 = 4,707,399.60 : x
  2. Step 2: Convert to fraction form
    7,401,783.60/11,121,337.80 = 4,707,399.60/x
  3. Step 3: Cross multiply
    7,401,783.60x = 11,121,337.80 × 4,707,399.60
  4. Step 4: Simplify right side
    7,401,783.60x = 52,352,581,111,184.88
  5. Step 5: Solve for x
    x = 52,352,581,111,184.88/7,401,783.60
  6. Step 6: Final answer
    x = 7,072,968.35

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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.