Home / 8,726,867.37-13,072,455.14-7,113,386.25

Finding the Fourth Proportional to 8,726,867.37, 13,072,455.14 and 7,113,386.25

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Solution

The fourth proportional to 8,726,867.37, 13,072,455.14 and 7,113,386.25 is: 10,655,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726,867.37 : 13,072,455.14 = 7,113,386.25 : x
  2. Step 2: Convert to fraction form
    8,726,867.37/13,072,455.14 = 7,113,386.25/x
  3. Step 3: Cross multiply
    8,726,867.37x = 13,072,455.14 × 7,113,386.25
  4. Step 4: Simplify right side
    8,726,867.37x = 92,989,422,611,050.89
  5. Step 5: Solve for x
    x = 92,989,422,611,050.89/8,726,867.37
  6. Step 6: Final answer
    x = 10,655,532.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.