Home / 12,087,491.40-18,131,237.10-6,768,016.20

Finding the Fourth Proportional to 12,087,491.40, 18,131,237.10 and 6,768,016.20

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Solution

The fourth proportional to 12,087,491.40, 18,131,237.10 and 6,768,016.20 is: 10,152,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087,491.40 : 18,131,237.10 = 6,768,016.20 : x
  2. Step 2: Convert to fraction form
    12,087,491.40/18,131,237.10 = 6,768,016.20/x
  3. Step 3: Cross multiply
    12,087,491.40x = 18,131,237.10 × 6,768,016.20
  4. Step 4: Simplify right side
    12,087,491.40x = 122,712,506,418,841.03
  5. Step 5: Solve for x
    x = 122,712,506,418,841.03/12,087,491.40
  6. Step 6: Final answer
    x = 10,152,024.30

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1.5x scale

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.