Home / 12,362,607.60-18,543,911.40-7,827,644.40

Finding the Fourth Proportional to 12,362,607.60, 18,543,911.40 and 7,827,644.40

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Solution

The fourth proportional to 12,362,607.60, 18,543,911.40 and 7,827,644.40 is: 11,741,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362,607.60 : 18,543,911.40 = 7,827,644.40 : x
  2. Step 2: Convert to fraction form
    12,362,607.60/18,543,911.40 = 7,827,644.40/x
  3. Step 3: Cross multiply
    12,362,607.60x = 18,543,911.40 × 7,827,644.40
  4. Step 4: Simplify right side
    12,362,607.60x = 145,155,144,224,306.16
  5. Step 5: Solve for x
    x = 145,155,144,224,306.16/12,362,607.60
  6. Step 6: Final answer
    x = 11,741,466.60

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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.