Home / 7,018,421.40-10,525,663.80-2,227,579.20

Finding the Fourth Proportional to 7,018,421.40, 10,525,663.80 and 2,227,579.20

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Solution

The fourth proportional to 7,018,421.40, 10,525,663.80 and 2,227,579.20 is: 3,340,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,421.40 : 10,525,663.80 = 2,227,579.20 : x
  2. Step 2: Convert to fraction form
    7,018,421.40/10,525,663.80 = 2,227,579.20/x
  3. Step 3: Cross multiply
    7,018,421.40x = 10,525,663.80 × 2,227,579.20
  4. Step 4: Simplify right side
    7,018,421.40x = 23,446,749,747,072.96
  5. Step 5: Solve for x
    x = 23,446,749,747,072.96/7,018,421.40
  6. Step 6: Final answer
    x = 3,340,744.08

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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.