Home / 9,258,775.66-12,777,212.59-5,128,870.06

Finding the Fourth Proportional to 9,258,775.66, 12,777,212.59 and 5,128,870.06

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Solution

The fourth proportional to 9,258,775.66, 12,777,212.59 and 5,128,870.06 is: 7,077,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258,775.66 : 12,777,212.59 = 5,128,870.06 : x
  2. Step 2: Convert to fraction form
    9,258,775.66/12,777,212.59 = 5,128,870.06/x
  3. Step 3: Cross multiply
    9,258,775.66x = 12,777,212.59 × 5,128,870.06
  4. Step 4: Simplify right side
    9,258,775.66x = 65,532,663,103,106.05
  5. Step 5: Solve for x
    x = 65,532,663,103,106.05/9,258,775.66
  6. Step 6: Final answer
    x = 7,077,897.28

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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.