Home / 30,501,438.48-45,738,205.56-18,210,980.88

Finding the Fourth Proportional to 30,501,438.48, 45,738,205.56 and 18,210,980.88

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Solution

The fourth proportional to 30,501,438.48, 45,738,205.56 and 18,210,980.88 is: 27,308,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,438.48 : 45,738,205.56 = 18,210,980.88 : x
  2. Step 2: Convert to fraction form
    30,501,438.48/45,738,205.56 = 18,210,980.88/x
  3. Step 3: Cross multiply
    30,501,438.48x = 45,738,205.56 × 18,210,980.88
  4. Step 4: Simplify right side
    30,501,438.48x = 832,937,586,938,669.75
  5. Step 5: Solve for x
    x = 832,937,586,938,669.75/30,501,438.48
  6. Step 6: Final answer
    x = 27,308,141.14

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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.