Home / 12,106,700.64-18,160,386.84-3,008,430.72

Finding the Fourth Proportional to 12,106,700.64, 18,160,386.84 and 3,008,430.72

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Solution

The fourth proportional to 12,106,700.64, 18,160,386.84 and 3,008,430.72 is: 4,512,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106,700.64 : 18,160,386.84 = 3,008,430.72 : x
  2. Step 2: Convert to fraction form
    12,106,700.64/18,160,386.84 = 3,008,430.72/x
  3. Step 3: Cross multiply
    12,106,700.64x = 18,160,386.84 × 3,008,430.72
  4. Step 4: Simplify right side
    12,106,700.64x = 54,634,265,656,539.73
  5. Step 5: Solve for x
    x = 54,634,265,656,539.73/12,106,700.64
  6. Step 6: Final answer
    x = 4,512,729.54

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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.