Home / 15,457,310.80-23,185,966.20-7,804,560.40

Finding the Fourth Proportional to 15,457,310.80, 23,185,966.20 and 7,804,560.40

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Solution

The fourth proportional to 15,457,310.80, 23,185,966.20 and 7,804,560.40 is: 11,706,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457,310.80 : 23,185,966.20 = 7,804,560.40 : x
  2. Step 2: Convert to fraction form
    15,457,310.80/23,185,966.20 = 7,804,560.40/x
  3. Step 3: Cross multiply
    15,457,310.80x = 23,185,966.20 × 7,804,560.40
  4. Step 4: Simplify right side
    15,457,310.80x = 180,956,273,640,258.47
  5. Step 5: Solve for x
    x = 180,956,273,640,258.47/15,457,310.80
  6. Step 6: Final answer
    x = 11,706,840.60

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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.