Home / 13,890,795.18-19,165,834.89-8,012,226.66

Finding the Fourth Proportional to 13,890,795.18, 19,165,834.89 and 8,012,226.66

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Solution

The fourth proportional to 13,890,795.18, 19,165,834.89 and 8,012,226.66 is: 11,054,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,795.18 : 19,165,834.89 = 8,012,226.66 : x
  2. Step 2: Convert to fraction form
    13,890,795.18/19,165,834.89 = 8,012,226.66/x
  3. Step 3: Cross multiply
    13,890,795.18x = 19,165,834.89 × 8,012,226.66
  4. Step 4: Simplify right side
    13,890,795.18x = 153,561,013,266,816.19
  5. Step 5: Solve for x
    x = 153,561,013,266,816.19/13,890,795.18
  6. Step 6: Final answer
    x = 11,054,875.64

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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.