Home / 10,457,379.65-14,432,896.13-8,712,281.81

Finding the Fourth Proportional to 10,457,379.65, 14,432,896.13 and 8,712,281.81

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Solution

The fourth proportional to 10,457,379.65, 14,432,896.13 and 8,712,281.81 is: 12,024,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457,379.65 : 14,432,896.13 = 8,712,281.81 : x
  2. Step 2: Convert to fraction form
    10,457,379.65/14,432,896.13 = 8,712,281.81/x
  3. Step 3: Cross multiply
    10,457,379.65x = 14,432,896.13 × 8,712,281.81
  4. Step 4: Simplify right side
    10,457,379.65x = 125,743,458,303,292.50
  5. Step 5: Solve for x
    x = 125,743,458,303,292.50/10,457,379.65
  6. Step 6: Final answer
    x = 12,024,375.38

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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.