Home / 7,390,231.80-11,089,034.10-4,197,809.40

Finding the Fourth Proportional to 7,390,231.80, 11,089,034.10 and 4,197,809.40

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Solution

The fourth proportional to 7,390,231.80, 11,089,034.10 and 4,197,809.40 is: 6,298,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,231.80 : 11,089,034.10 = 4,197,809.40 : x
  2. Step 2: Convert to fraction form
    7,390,231.80/11,089,034.10 = 4,197,809.40/x
  3. Step 3: Cross multiply
    7,390,231.80x = 11,089,034.10 × 4,197,809.40
  4. Step 4: Simplify right side
    7,390,231.80x = 46,549,651,581,900.54
  5. Step 5: Solve for x
    x = 46,549,651,581,900.54/7,390,231.80
  6. Step 6: Final answer
    x = 6,298,808.05

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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.