Home / 12,604,459.40-18,916,020.30-8,343,211.40

Finding the Fourth Proportional to 12,604,459.40, 18,916,020.30 and 8,343,211.40

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Solution

The fourth proportional to 12,604,459.40, 18,916,020.30 and 8,343,211.40 is: 12,520,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604,459.40 : 18,916,020.30 = 8,343,211.40 : x
  2. Step 2: Convert to fraction form
    12,604,459.40/18,916,020.30 = 8,343,211.40/x
  3. Step 3: Cross multiply
    12,604,459.40x = 18,916,020.30 × 8,343,211.40
  4. Step 4: Simplify right side
    12,604,459.40x = 157,820,356,209,591.44
  5. Step 5: Solve for x
    x = 157,820,356,209,591.44/12,604,459.40
  6. Step 6: Final answer
    x = 12,520,993.66

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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.