Home / 9,190,945.40-12,683,848.74-5,061,155.54

Finding the Fourth Proportional to 9,190,945.40, 12,683,848.74 and 5,061,155.54

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Solution

The fourth proportional to 9,190,945.40, 12,683,848.74 and 5,061,155.54 is: 6,984,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190,945.40 : 12,683,848.74 = 5,061,155.54 : x
  2. Step 2: Convert to fraction form
    9,190,945.40/12,683,848.74 = 5,061,155.54/x
  3. Step 3: Cross multiply
    9,190,945.40x = 12,683,848.74 × 5,061,155.54
  4. Step 4: Simplify right side
    9,190,945.40x = 64,194,931,318,973.02
  5. Step 5: Solve for x
    x = 64,194,931,318,973.02/9,190,945.40
  6. Step 6: Final answer
    x = 6,984,584.12

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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.