Home / 7,890,754.67-10,896,761.98-7,460,871.78

Finding the Fourth Proportional to 7,890,754.67, 10,896,761.98 and 7,460,871.78

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Solution

The fourth proportional to 7,890,754.67, 10,896,761.98 and 7,460,871.78 is: 10,303,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,754.67 : 10,896,761.98 = 7,460,871.78 : x
  2. Step 2: Convert to fraction form
    7,890,754.67/10,896,761.98 = 7,460,871.78/x
  3. Step 3: Cross multiply
    7,890,754.67x = 10,896,761.98 × 7,460,871.78
  4. Step 4: Simplify right side
    7,890,754.67x = 81,299,343,896,886.19
  5. Step 5: Solve for x
    x = 81,299,343,896,886.19/7,890,754.67
  6. Step 6: Final answer
    x = 10,303,113.87

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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.