Home / 7,890,688.56-10,896,670.46-7,460,805.18

Finding the Fourth Proportional to 7,890,688.56, 10,896,670.46 and 7,460,805.18

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Solution

The fourth proportional to 7,890,688.56, 10,896,670.46 and 7,460,805.18 is: 10,303,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,688.56 : 10,896,670.46 = 7,460,805.18 : x
  2. Step 2: Convert to fraction form
    7,890,688.56/10,896,670.46 = 7,460,805.18/x
  3. Step 3: Cross multiply
    7,890,688.56x = 10,896,670.46 × 7,460,805.18
  4. Step 4: Simplify right side
    7,890,688.56x = 81,297,935,412,720.98
  5. Step 5: Solve for x
    x = 81,297,935,412,720.98/7,890,688.56
  6. Step 6: Final answer
    x = 10,303,021.69

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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.