Home / 13,559,939.22-18,712,853.58-7,365,045.79

Finding the Fourth Proportional to 13,559,939.22, 18,712,853.58 and 7,365,045.79

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Solution

The fourth proportional to 13,559,939.22, 18,712,853.58 and 7,365,045.79 is: 10,163,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559,939.22 : 18,712,853.58 = 7,365,045.79 : x
  2. Step 2: Convert to fraction form
    13,559,939.22/18,712,853.58 = 7,365,045.79/x
  3. Step 3: Cross multiply
    13,559,939.22x = 18,712,853.58 × 7,365,045.79
  4. Step 4: Simplify right side
    13,559,939.22x = 137,821,023,478,265.42
  5. Step 5: Solve for x
    x = 137,821,023,478,265.42/13,559,939.22
  6. Step 6: Final answer
    x = 10,163,837.85

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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.