Home / 28,180,207.40-42,256,986.60-10,916,494.34

Finding the Fourth Proportional to 28,180,207.40, 42,256,986.60 and 10,916,494.34

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Solution

The fourth proportional to 28,180,207.40, 42,256,986.60 and 10,916,494.34 is: 16,369,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,207.40 : 42,256,986.60 = 10,916,494.34 : x
  2. Step 2: Convert to fraction form
    28,180,207.40/42,256,986.60 = 10,916,494.34/x
  3. Step 3: Cross multiply
    28,180,207.40x = 42,256,986.60 × 10,916,494.34
  4. Step 4: Simplify right side
    28,180,207.40x = 461,298,155,044,355.88
  5. Step 5: Solve for x
    x = 461,298,155,044,355.88/28,180,207.40
  6. Step 6: Final answer
    x = 16,369,579.84

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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.