Home / 28,082,812.80-42,124,219.20-23,547,849.60

Finding the Fourth Proportional to 28,082,812.80, 42,124,219.20 and 23,547,849.60

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Solution

The fourth proportional to 28,082,812.80, 42,124,219.20 and 23,547,849.60 is: 35,321,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,812.80 : 42,124,219.20 = 23,547,849.60 : x
  2. Step 2: Convert to fraction form
    28,082,812.80/42,124,219.20 = 23,547,849.60/x
  3. Step 3: Cross multiply
    28,082,812.80x = 42,124,219.20 × 23,547,849.60
  4. Step 4: Simplify right side
    28,082,812.80x = 991,934,778,239,032.50
  5. Step 5: Solve for x
    x = 991,934,778,239,032.50/28,082,812.80
  6. Step 6: Final answer
    x = 35,321,774.40

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Similar ratio
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1.5x scale

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.