Home / 13,868,675.40-20,794,718.70-7,150,211.40

Finding the Fourth Proportional to 13,868,675.40, 20,794,718.70 and 7,150,211.40

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Solution

The fourth proportional to 13,868,675.40, 20,794,718.70 and 7,150,211.40 is: 10,721,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,675.40 : 20,794,718.70 = 7,150,211.40 : x
  2. Step 2: Convert to fraction form
    13,868,675.40/20,794,718.70 = 7,150,211.40/x
  3. Step 3: Cross multiply
    13,868,675.40x = 20,794,718.70 × 7,150,211.40
  4. Step 4: Simplify right side
    13,868,675.40x = 148,686,634,708,533.19
  5. Step 5: Solve for x
    x = 148,686,634,708,533.19/13,868,675.40
  6. Step 6: Final answer
    x = 10,721,040.79

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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.