Home / 30,915,089.40-46,372,634.10-18,150,007.80

Finding the Fourth Proportional to 30,915,089.40, 46,372,634.10 and 18,150,007.80

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Solution

The fourth proportional to 30,915,089.40, 46,372,634.10 and 18,150,007.80 is: 27,225,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915,089.40 : 46,372,634.10 = 18,150,007.80 : x
  2. Step 2: Convert to fraction form
    30,915,089.40/46,372,634.10 = 18,150,007.80/x
  3. Step 3: Cross multiply
    30,915,089.40x = 46,372,634.10 × 18,150,007.80
  4. Step 4: Simplify right side
    30,915,089.40x = 841,663,670,621,546
  5. Step 5: Solve for x
    x = 841,663,670,621,546/30,915,089.40
  6. Step 6: Final answer
    x = 27,225,011.70

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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.