Home / 15,459,881.40-23,189,822.10-9,720,318.60

Finding the Fourth Proportional to 15,459,881.40, 23,189,822.10 and 9,720,318.60

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Solution

The fourth proportional to 15,459,881.40, 23,189,822.10 and 9,720,318.60 is: 14,580,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,881.40 : 23,189,822.10 = 9,720,318.60 : x
  2. Step 2: Convert to fraction form
    15,459,881.40/23,189,822.10 = 9,720,318.60/x
  3. Step 3: Cross multiply
    15,459,881.40x = 23,189,822.10 × 9,720,318.60
  4. Step 4: Simplify right side
    15,459,881.40x = 225,412,459,089,321.06
  5. Step 5: Solve for x
    x = 225,412,459,089,321.06/15,459,881.40
  6. Step 6: Final answer
    x = 14,580,477.90

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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.