Home / 10,215,203.28-14,097,089.16-5,631,688.68

Finding the Fourth Proportional to 10,215,203.28, 14,097,089.16 and 5,631,688.68

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Solution

The fourth proportional to 10,215,203.28, 14,097,089.16 and 5,631,688.68 is: 7,771,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,203.28 : 14,097,089.16 = 5,631,688.68 : x
  2. Step 2: Convert to fraction form
    10,215,203.28/14,097,089.16 = 5,631,688.68/x
  3. Step 3: Cross multiply
    10,215,203.28x = 14,097,089.16 × 5,631,688.68
  4. Step 4: Simplify right side
    10,215,203.28x = 79,390,417,443,322.70
  5. Step 5: Solve for x
    x = 79,390,417,443,322.70/10,215,203.28
  6. Step 6: Final answer
    x = 7,771,790.27

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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.