Home / 7,991,888.18-11,988,455.40-2,874,983.40

Finding the Fourth Proportional to 7,991,888.18, 11,988,455.40 and 2,874,983.40

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Solution

The fourth proportional to 7,991,888.18, 11,988,455.40 and 2,874,983.40 is: 4,312,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,888.18 : 11,988,455.40 = 2,874,983.40 : x
  2. Step 2: Convert to fraction form
    7,991,888.18/11,988,455.40 = 2,874,983.40/x
  3. Step 3: Cross multiply
    7,991,888.18x = 11,988,455.40 × 2,874,983.40
  4. Step 4: Simplify right side
    7,991,888.18x = 34,466,610,266,640.36
  5. Step 5: Solve for x
    x = 34,466,610,266,640.36/7,991,888.18
  6. Step 6: Final answer
    x = 4,312,699.27

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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.