Home / 7,759,903.68-11,619,981.12-6,477,322.16

Finding the Fourth Proportional to 7,759,903.68, 11,619,981.12 and 6,477,322.16

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Solution

The fourth proportional to 7,759,903.68, 11,619,981.12 and 6,477,322.16 is: 9,699,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759,903.68 : 11,619,981.12 = 6,477,322.16 : x
  2. Step 2: Convert to fraction form
    7,759,903.68/11,619,981.12 = 6,477,322.16/x
  3. Step 3: Cross multiply
    7,759,903.68x = 11,619,981.12 × 6,477,322.16
  4. Step 4: Simplify right side
    7,759,903.68x = 75,266,361,207,357.61
  5. Step 5: Solve for x
    x = 75,266,361,207,357.61/7,759,903.68
  6. Step 6: Final answer
    x = 9,699,393.74

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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.