Home / 10,021,804.30-13,830,127.14-5,438,126.08

Finding the Fourth Proportional to 10,021,804.30, 13,830,127.14 and 5,438,126.08

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Solution

The fourth proportional to 10,021,804.30, 13,830,127.14 and 5,438,126.08 is: 7,504,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021,804.30 : 13,830,127.14 = 5,438,126.08 : x
  2. Step 2: Convert to fraction form
    10,021,804.30/13,830,127.14 = 5,438,126.08/x
  3. Step 3: Cross multiply
    10,021,804.30x = 13,830,127.14 × 5,438,126.08
  4. Step 4: Simplify right side
    10,021,804.30x = 75,209,975,089,749.81
  5. Step 5: Solve for x
    x = 75,209,975,089,749.81/10,021,804.30
  6. Step 6: Final answer
    x = 7,504,634.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.