Home / 30,152,438.07-45,243,602.82-11,956,243.29

Finding the Fourth Proportional to 30,152,438.07, 45,243,602.82 and 11,956,243.29

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Solution

The fourth proportional to 30,152,438.07, 45,243,602.82 and 11,956,243.29 is: 17,940,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152,438.07 : 45,243,602.82 = 11,956,243.29 : x
  2. Step 2: Convert to fraction form
    30,152,438.07/45,243,602.82 = 11,956,243.29/x
  3. Step 3: Cross multiply
    30,152,438.07x = 45,243,602.82 × 11,956,243.29
  4. Step 4: Simplify right side
    30,152,438.07x = 540,943,522,632,050.06
  5. Step 5: Solve for x
    x = 540,943,522,632,050.06/30,152,438.07
  6. Step 6: Final answer
    x = 17,940,291.31

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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.