Home / 21,862,111.80-32,771,221.16-7,475,340.54

Finding the Fourth Proportional to 21,862,111.80, 32,771,221.16 and 7,475,340.54

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Solution

The fourth proportional to 21,862,111.80, 32,771,221.16 and 7,475,340.54 is: 11,205,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862,111.80 : 32,771,221.16 = 7,475,340.54 : x
  2. Step 2: Convert to fraction form
    21,862,111.80/32,771,221.16 = 7,475,340.54/x
  3. Step 3: Cross multiply
    21,862,111.80x = 32,771,221.16 × 7,475,340.54
  4. Step 4: Simplify right side
    21,862,111.80x = 244,976,038,082,653.84
  5. Step 5: Solve for x
    x = 244,976,038,082,653.84/21,862,111.80
  6. Step 6: Final answer
    x = 11,205,506.60

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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.