Home / 36,430,438.40-54,708,643.20-19,424,326.40

Finding the Fourth Proportional to 36,430,438.40, 54,708,643.20 and 19,424,326.40

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Solution

The fourth proportional to 36,430,438.40, 54,708,643.20 and 19,424,326.40 is: 29,170,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,430,438.40 : 54,708,643.20 = 19,424,326.40 : x
  2. Step 2: Convert to fraction form
    36,430,438.40/54,708,643.20 = 19,424,326.40/x
  3. Step 3: Cross multiply
    36,430,438.40x = 54,708,643.20 × 19,424,326.40
  4. Step 4: Simplify right side
    36,430,438.40x = 1,062,678,542,417,940.50
  5. Step 5: Solve for x
    x = 1,062,678,542,417,940.50/36,430,438.40
  6. Step 6: Final answer
    x = 29,170,072.86

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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.