Home / 10,064,905.40-15,079,643.40-8,647,729.40

Finding the Fourth Proportional to 10,064,905.40, 15,079,643.40 and 8,647,729.40

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Solution

The fourth proportional to 10,064,905.40, 15,079,643.40 and 8,647,729.40 is: 12,956,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064,905.40 : 15,079,643.40 = 8,647,729.40 : x
  2. Step 2: Convert to fraction form
    10,064,905.40/15,079,643.40 = 8,647,729.40/x
  3. Step 3: Cross multiply
    10,064,905.40x = 15,079,643.40 × 8,647,729.40
  4. Step 4: Simplify right side
    10,064,905.40x = 130,404,675,571,695.97
  5. Step 5: Solve for x
    x = 130,404,675,571,695.97/10,064,905.40
  6. Step 6: Final answer
    x = 12,956,373.70

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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.