Home / 14,993,285.69-20,692,121.15-9,111,562.43

Finding the Fourth Proportional to 14,993,285.69, 20,692,121.15 and 9,111,562.43

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Solution

The fourth proportional to 14,993,285.69, 20,692,121.15 and 9,111,562.43 is: 12,574,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993,285.69 : 20,692,121.15 = 9,111,562.43 : x
  2. Step 2: Convert to fraction form
    14,993,285.69/20,692,121.15 = 9,111,562.43/x
  3. Step 3: Cross multiply
    14,993,285.69x = 20,692,121.15 × 9,111,562.43
  4. Step 4: Simplify right side
    14,993,285.69x = 188,537,553,586,666.72
  5. Step 5: Solve for x
    x = 188,537,553,586,666.72/14,993,285.69
  6. Step 6: Final answer
    x = 12,574,798.98

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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.