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Finding the Fourth Proportional to 10,018,808.70, 14,054,675.70 and 10,018,808.70

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Solution

The fourth proportional to 10,018,808.70, 14,054,675.70 and 10,018,808.70 is: 14,054,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,808.70 : 14,054,675.70 = 10,018,808.70 : x
  2. Step 2: Convert to fraction form
    10,018,808.70/14,054,675.70 = 10,018,808.70/x
  3. Step 3: Cross multiply
    10,018,808.70x = 14,054,675.70 × 10,018,808.70
  4. Step 4: Simplify right side
    10,018,808.70x = 140,811,107,178,838.56
  5. Step 5: Solve for x
    x = 140,811,107,178,838.56/10,018,808.70
  6. Step 6: Final answer
    x = 14,054,675.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.