Home / 12,604,454.40-18,916,012.80-8,343,206.40

Finding the Fourth Proportional to 12,604,454.40, 18,916,012.80 and 8,343,206.40

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Solution

The fourth proportional to 12,604,454.40, 18,916,012.80 and 8,343,206.40 is: 12,520,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604,454.40 : 18,916,012.80 = 8,343,206.40 : x
  2. Step 2: Convert to fraction form
    12,604,454.40/18,916,012.80 = 8,343,206.40/x
  3. Step 3: Cross multiply
    12,604,454.40x = 18,916,012.80 × 8,343,206.40
  4. Step 4: Simplify right side
    12,604,454.40x = 157,820,199,055,441.94
  5. Step 5: Solve for x
    x = 157,820,199,055,441.94/12,604,454.40
  6. Step 6: Final answer
    x = 12,520,986.16

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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.