Home / 13,286,810.40-19,930,215.60-6,568,346.40

Finding the Fourth Proportional to 13,286,810.40, 19,930,215.60 and 6,568,346.40

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Solution

The fourth proportional to 13,286,810.40, 19,930,215.60 and 6,568,346.40 is: 9,852,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,810.40 : 19,930,215.60 = 6,568,346.40 : x
  2. Step 2: Convert to fraction form
    13,286,810.40/19,930,215.60 = 6,568,346.40/x
  3. Step 3: Cross multiply
    13,286,810.40x = 19,930,215.60 × 6,568,346.40
  4. Step 4: Simplify right side
    13,286,810.40x = 130,908,559,887,483.86
  5. Step 5: Solve for x
    x = 130,908,559,887,483.86/13,286,810.40
  6. Step 6: Final answer
    x = 9,852,519.60

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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.