Home / 14,173,133.20-21,203,712.60-12,300,672.40

Finding the Fourth Proportional to 14,173,133.20, 21,203,712.60 and 12,300,672.40

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Solution

The fourth proportional to 14,173,133.20, 21,203,712.60 and 12,300,672.40 is: 18,402,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173,133.20 : 21,203,712.60 = 12,300,672.40 : x
  2. Step 2: Convert to fraction form
    14,173,133.20/21,203,712.60 = 12,300,672.40/x
  3. Step 3: Cross multiply
    14,173,133.20x = 21,203,712.60 × 12,300,672.40
  4. Step 4: Simplify right side
    14,173,133.20x = 260,819,922,356,352.28
  5. Step 5: Solve for x
    x = 260,819,922,356,352.28/14,173,133.20
  6. Step 6: Final answer
    x = 18,402,418.06

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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.