Home / 28,180,206.40-42,256,985.10-10,916,493.34

Finding the Fourth Proportional to 28,180,206.40, 42,256,985.10 and 10,916,493.34

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Solution

The fourth proportional to 28,180,206.40, 42,256,985.10 and 10,916,493.34 is: 16,369,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,206.40 : 42,256,985.10 = 10,916,493.34 : x
  2. Step 2: Convert to fraction form
    28,180,206.40/42,256,985.10 = 10,916,493.34/x
  3. Step 3: Cross multiply
    28,180,206.40x = 42,256,985.10 × 10,916,493.34
  4. Step 4: Simplify right side
    28,180,206.40x = 461,298,096,412,629.25
  5. Step 5: Solve for x
    x = 461,298,096,412,629.25/28,180,206.40
  6. Step 6: Final answer
    x = 16,369,578.34

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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.