Home / 11,855,334.72-16,360,440-6,422,826.72

Finding the Fourth Proportional to 11,855,334.72, 16,360,440 and 6,422,826.72

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Solution

The fourth proportional to 11,855,334.72, 16,360,440 and 6,422,826.72 is: 8,863,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,334.72 : 16,360,440 = 6,422,826.72 : x
  2. Step 2: Convert to fraction form
    11,855,334.72/16,360,440 = 6,422,826.72/x
  3. Step 3: Cross multiply
    11,855,334.72x = 16,360,440 × 6,422,826.72
  4. Step 4: Simplify right side
    11,855,334.72x = 105,080,271,182,956.80
  5. Step 5: Solve for x
    x = 105,080,271,182,956.80/11,855,334.72
  6. Step 6: Final answer
    x = 8,863,543.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.