Home / 10,215,203.07-14,097,076.56-5,631,688.47

Finding the Fourth Proportional to 10,215,203.07, 14,097,076.56 and 5,631,688.47

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Solution

The fourth proportional to 10,215,203.07, 14,097,076.56 and 5,631,688.47 is: 7,771,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,203.07 : 14,097,076.56 = 5,631,688.47 : x
  2. Step 2: Convert to fraction form
    10,215,203.07/14,097,076.56 = 5,631,688.47/x
  3. Step 3: Cross multiply
    10,215,203.07x = 14,097,076.56 × 5,631,688.47
  4. Step 4: Simplify right side
    10,215,203.07x = 79,390,343,523,659.27
  5. Step 5: Solve for x
    x = 79,390,343,523,659.27/10,215,203.07
  6. Step 6: Final answer
    x = 7,771,783.19

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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.