Home / 9,831,988.40-13,567,846.90-5,421,711.68

Finding the Fourth Proportional to 9,831,988.40, 13,567,846.90 and 5,421,711.68

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Solution

The fourth proportional to 9,831,988.40, 13,567,846.90 and 5,421,711.68 is: 7,481,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831,988.40 : 13,567,846.90 = 5,421,711.68 : x
  2. Step 2: Convert to fraction form
    9,831,988.40/13,567,846.90 = 5,421,711.68/x
  3. Step 3: Cross multiply
    9,831,988.40x = 13,567,846.90 × 5,421,711.68
  4. Step 4: Simplify right side
    9,831,988.40x = 73,560,953,915,234
  5. Step 5: Solve for x
    x = 73,560,953,915,234/9,831,988.40
  6. Step 6: Final answer
    x = 7,481,798.28

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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.