Home / 28,082,815.40-42,124,223.10-23,547,852.20

Finding the Fourth Proportional to 28,082,815.40, 42,124,223.10 and 23,547,852.20

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Solution

The fourth proportional to 28,082,815.40, 42,124,223.10 and 23,547,852.20 is: 35,321,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,815.40 : 42,124,223.10 = 23,547,852.20 : x
  2. Step 2: Convert to fraction form
    28,082,815.40/42,124,223.10 = 23,547,852.20/x
  3. Step 3: Cross multiply
    28,082,815.40x = 42,124,223.10 × 23,547,852.20
  4. Step 4: Simplify right side
    28,082,815.40x = 991,934,979,598,625.88
  5. Step 5: Solve for x
    x = 991,934,979,598,625.88/28,082,815.40
  6. Step 6: Final answer
    x = 35,321,778.30

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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.