Home / 12,127,259.96-16,735,579.11-6,620,702.57

Finding the Fourth Proportional to 12,127,259.96, 16,735,579.11 and 6,620,702.57

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Solution

The fourth proportional to 12,127,259.96, 16,735,579.11 and 6,620,702.57 is: 9,136,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,259.96 : 16,735,579.11 = 6,620,702.57 : x
  2. Step 2: Convert to fraction form
    12,127,259.96/16,735,579.11 = 6,620,702.57/x
  3. Step 3: Cross multiply
    12,127,259.96x = 16,735,579.11 × 6,620,702.57
  4. Step 4: Simplify right side
    12,127,259.96x = 110,801,291,624,015.31
  5. Step 5: Solve for x
    x = 110,801,291,624,015.31/12,127,259.96
  6. Step 6: Final answer
    x = 9,136,547.91

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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.