Home / 12,130,205.90-16,739,765.08-6,623,619

Finding the Fourth Proportional to 12,130,205.90, 16,739,765.08 and 6,623,619

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Solution

The fourth proportional to 12,130,205.90, 16,739,765.08 and 6,623,619 is: 9,140,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,205.90 : 16,739,765.08 = 6,623,619 : x
  2. Step 2: Convert to fraction form
    12,130,205.90/16,739,765.08 = 6,623,619/x
  3. Step 3: Cross multiply
    12,130,205.90x = 16,739,765.08 × 6,623,619
  4. Step 4: Simplify right side
    12,130,205.90x = 110,877,826,039,424.52
  5. Step 5: Solve for x
    x = 110,877,826,039,424.52/12,130,205.90
  6. Step 6: Final answer
    x = 9,140,638.42

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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.