Home / 14,670,576.80-21,956,098.80-12,878,986.40

Finding the Fourth Proportional to 14,670,576.80, 21,956,098.80 and 12,878,986.40

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Solution

The fourth proportional to 14,670,576.80, 21,956,098.80 and 12,878,986.40 is: 19,274,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670,576.80 : 21,956,098.80 = 12,878,986.40 : x
  2. Step 2: Convert to fraction form
    14,670,576.80/21,956,098.80 = 12,878,986.40/x
  3. Step 3: Cross multiply
    14,670,576.80x = 21,956,098.80 × 12,878,986.40
  4. Step 4: Simplify right side
    14,670,576.80x = 282,772,297,842,256.31
  5. Step 5: Solve for x
    x = 282,772,297,842,256.31/14,670,576.80
  6. Step 6: Final answer
    x = 19,274,790.74

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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.