Home / 17,720,912.40-26,581,368.60-9,658,755.60

Finding the Fourth Proportional to 17,720,912.40, 26,581,368.60 and 9,658,755.60

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Solution

The fourth proportional to 17,720,912.40, 26,581,368.60 and 9,658,755.60 is: 14,488,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720,912.40 : 26,581,368.60 = 9,658,755.60 : x
  2. Step 2: Convert to fraction form
    17,720,912.40/26,581,368.60 = 9,658,755.60/x
  3. Step 3: Cross multiply
    17,720,912.40x = 26,581,368.60 × 9,658,755.60
  4. Step 4: Simplify right side
    17,720,912.40x = 256,742,942,820,914.16
  5. Step 5: Solve for x
    x = 256,742,942,820,914.16/17,720,912.40
  6. Step 6: Final answer
    x = 14,488,133.40

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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.