Home / 14,772,105.61-20,385,427.94-8,578,675.51

Finding the Fourth Proportional to 14,772,105.61, 20,385,427.94 and 8,578,675.51

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Solution

The fourth proportional to 14,772,105.61, 20,385,427.94 and 8,578,675.51 is: 11,838,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772,105.61 : 20,385,427.94 = 8,578,675.51 : x
  2. Step 2: Convert to fraction form
    14,772,105.61/20,385,427.94 = 8,578,675.51/x
  3. Step 3: Cross multiply
    14,772,105.61x = 20,385,427.94 × 8,578,675.51
  4. Step 4: Simplify right side
    14,772,105.61x = 174,879,971,429,747.75
  5. Step 5: Solve for x
    x = 174,879,971,429,747.75/14,772,105.61
  6. Step 6: Final answer
    x = 11,838,527.02

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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.