Home / 12,124,038.88-16,731,139.28-6,691,492

Finding the Fourth Proportional to 12,124,038.88, 16,731,139.28 and 6,691,492

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Solution

The fourth proportional to 12,124,038.88, 16,731,139.28 and 6,691,492 is: 9,234,239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,038.88 : 16,731,139.28 = 6,691,492 : x
  2. Step 2: Convert to fraction form
    12,124,038.88/16,731,139.28 = 6,691,492/x
  3. Step 3: Cross multiply
    12,124,038.88x = 16,731,139.28 × 6,691,492
  4. Step 4: Simplify right side
    12,124,038.88x = 111,956,284,643,005.75
  5. Step 5: Solve for x
    x = 111,956,284,643,005.75/12,124,038.88
  6. Step 6: Final answer
    x = 9,234,239.99

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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.