Home / 15,183,385.88-20,953,072.53-8,307,867.96

Finding the Fourth Proportional to 15,183,385.88, 20,953,072.53 and 8,307,867.96

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Solution

The fourth proportional to 15,183,385.88, 20,953,072.53 and 8,307,867.96 is: 11,464,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183,385.88 : 20,953,072.53 = 8,307,867.96 : x
  2. Step 2: Convert to fraction form
    15,183,385.88/20,953,072.53 = 8,307,867.96/x
  3. Step 3: Cross multiply
    15,183,385.88x = 20,953,072.53 × 8,307,867.96
  4. Step 4: Simplify right side
    15,183,385.88x = 174,075,359,935,543.16
  5. Step 5: Solve for x
    x = 174,075,359,935,543.16/15,183,385.88
  6. Step 6: Final answer
    x = 11,464,857.80

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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.