Home / 20,030,576.10-30,045,864.15-19,817,999.70

Finding the Fourth Proportional to 20,030,576.10, 30,045,864.15 and 19,817,999.70

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Solution

The fourth proportional to 20,030,576.10, 30,045,864.15 and 19,817,999.70 is: 29,726,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,576.10 : 30,045,864.15 = 19,817,999.70 : x
  2. Step 2: Convert to fraction form
    20,030,576.10/30,045,864.15 = 19,817,999.70/x
  3. Step 3: Cross multiply
    20,030,576.10x = 30,045,864.15 × 19,817,999.70
  4. Step 4: Simplify right side
    20,030,576.10x = 595,448,926,710,940.75
  5. Step 5: Solve for x
    x = 595,448,926,710,940.75/20,030,576.10
  6. Step 6: Final answer
    x = 29,726,999.55

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1.5x scale

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.