Home / 13,283,704.48-19,908,448.84-6,447,047.18

Finding the Fourth Proportional to 13,283,704.48, 19,908,448.84 and 6,447,047.18

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Solution

The fourth proportional to 13,283,704.48, 19,908,448.84 and 6,447,047.18 is: 9,662,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,704.48 : 19,908,448.84 = 6,447,047.18 : x
  2. Step 2: Convert to fraction form
    13,283,704.48/19,908,448.84 = 6,447,047.18/x
  3. Step 3: Cross multiply
    13,283,704.48x = 19,908,448.84 × 6,447,047.18
  4. Step 4: Simplify right side
    13,283,704.48x = 128,350,708,952,096.27
  5. Step 5: Solve for x
    x = 128,350,708,952,096.27/13,283,704.48
  6. Step 6: Final answer
    x = 9,662,267.72

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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.