Home / 7,708,145.60-11,559,496.80-2,658,281.60

Finding the Fourth Proportional to 7,708,145.60, 11,559,496.80 and 2,658,281.60

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Solution

The fourth proportional to 7,708,145.60, 11,559,496.80 and 2,658,281.60 is: 3,986,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708,145.60 : 11,559,496.80 = 2,658,281.60 : x
  2. Step 2: Convert to fraction form
    7,708,145.60/11,559,496.80 = 2,658,281.60/x
  3. Step 3: Cross multiply
    7,708,145.60x = 11,559,496.80 × 2,658,281.60
  4. Step 4: Simplify right side
    7,708,145.60x = 30,728,397,648,698.88
  5. Step 5: Solve for x
    x = 30,728,397,648,698.88/7,708,145.60
  6. Step 6: Final answer
    x = 3,986,483.81

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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.