Home / 9,766,486.90-13,476,780.83-5,637,848.14

Finding the Fourth Proportional to 9,766,486.90, 13,476,780.83 and 5,637,848.14

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Solution

The fourth proportional to 9,766,486.90, 13,476,780.83 and 5,637,848.14 is: 7,779,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766,486.90 : 13,476,780.83 = 5,637,848.14 : x
  2. Step 2: Convert to fraction form
    9,766,486.90/13,476,780.83 = 5,637,848.14/x
  3. Step 3: Cross multiply
    9,766,486.90x = 13,476,780.83 × 5,637,848.14
  4. Step 4: Simplify right side
    9,766,486.90x = 75,980,043,640,030
  5. Step 5: Solve for x
    x = 75,980,043,640,030/9,766,486.90
  6. Step 6: Final answer
    x = 7,779,669.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.