Home / 19,571,431.40-29,361,812.70-9,465,741.80

Finding the Fourth Proportional to 19,571,431.40, 29,361,812.70 and 9,465,741.80

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Solution

The fourth proportional to 19,571,431.40, 29,361,812.70 and 9,465,741.80 is: 14,200,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571,431.40 : 29,361,812.70 = 9,465,741.80 : x
  2. Step 2: Convert to fraction form
    19,571,431.40/29,361,812.70 = 9,465,741.80/x
  3. Step 3: Cross multiply
    19,571,431.40x = 29,361,812.70 × 9,465,741.80
  4. Step 4: Simplify right side
    19,571,431.40x = 277,931,337,798,160.88
  5. Step 5: Solve for x
    x = 277,931,337,798,160.88/19,571,431.40
  6. Step 6: Final answer
    x = 14,200,869.22

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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.