Home / 9,258,775.16-12,777,211.90-5,128,869.56

Finding the Fourth Proportional to 9,258,775.16, 12,777,211.90 and 5,128,869.56

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Solution

The fourth proportional to 9,258,775.16, 12,777,211.90 and 5,128,869.56 is: 7,077,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258,775.16 : 12,777,211.90 = 5,128,869.56 : x
  2. Step 2: Convert to fraction form
    9,258,775.16/12,777,211.90 = 5,128,869.56/x
  3. Step 3: Cross multiply
    9,258,775.16x = 12,777,211.90 × 5,128,869.56
  4. Step 4: Simplify right side
    9,258,775.16x = 65,532,653,175,579.76
  5. Step 5: Solve for x
    x = 65,532,653,175,579.76/9,258,775.16
  6. Step 6: Final answer
    x = 7,077,896.59

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1.5x scale

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.