Home / 11,421,018.12-15,760,962.98-7,069,237.96

Finding the Fourth Proportional to 11,421,018.12, 15,760,962.98 and 7,069,237.96

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Solution

The fourth proportional to 11,421,018.12, 15,760,962.98 and 7,069,237.96 is: 9,755,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421,018.12 : 15,760,962.98 = 7,069,237.96 : x
  2. Step 2: Convert to fraction form
    11,421,018.12/15,760,962.98 = 7,069,237.96/x
  3. Step 3: Cross multiply
    11,421,018.12x = 15,760,962.98 × 7,069,237.96
  4. Step 4: Simplify right side
    11,421,018.12x = 111,417,997,784,370.72
  5. Step 5: Solve for x
    x = 111,417,997,784,370.72/11,421,018.12
  6. Step 6: Final answer
    x = 9,755,522.37

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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.