Home / 10,538,700.77-14,538,953.72-7,055,161.89

Finding the Fourth Proportional to 10,538,700.77, 14,538,953.72 and 7,055,161.89

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Solution

The fourth proportional to 10,538,700.77, 14,538,953.72 and 7,055,161.89 is: 9,733,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538,700.77 : 14,538,953.72 = 7,055,161.89 : x
  2. Step 2: Convert to fraction form
    10,538,700.77/14,538,953.72 = 7,055,161.89/x
  3. Step 3: Cross multiply
    10,538,700.77x = 14,538,953.72 × 7,055,161.89
  4. Step 4: Simplify right side
    10,538,700.77x = 102,574,672,205,817.73
  5. Step 5: Solve for x
    x = 102,574,672,205,817.73/10,538,700.77
  6. Step 6: Final answer
    x = 9,733,142.11

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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.