Home / 8,978,001-12,389,641.56-4,903,629.72

Finding the Fourth Proportional to 8,978,001, 12,389,641.56 and 4,903,629.72

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Solution

The fourth proportional to 8,978,001, 12,389,641.56 and 4,903,629.72 is: 6,767,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,001 : 12,389,641.56 = 4,903,629.72 : x
  2. Step 2: Convert to fraction form
    8,978,001/12,389,641.56 = 4,903,629.72/x
  3. Step 3: Cross multiply
    8,978,001x = 12,389,641.56 × 4,903,629.72
  4. Step 4: Simplify right side
    8,978,001x = 60,754,214,573,763.16
  5. Step 5: Solve for x
    x = 60,754,214,573,763.16/8,978,001
  6. Step 6: Final answer
    x = 6,767,009.11

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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.