Home / 14,389,440.84-19,857,478.05-7,863,070.59

Finding the Fourth Proportional to 14,389,440.84, 19,857,478.05 and 7,863,070.59

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Solution

The fourth proportional to 14,389,440.84, 19,857,478.05 and 7,863,070.59 is: 10,851,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,440.84 : 19,857,478.05 = 7,863,070.59 : x
  2. Step 2: Convert to fraction form
    14,389,440.84/19,857,478.05 = 7,863,070.59/x
  3. Step 3: Cross multiply
    14,389,440.84x = 19,857,478.05 × 7,863,070.59
  4. Step 4: Simplify right side
    14,389,440.84x = 156,140,751,646,525.56
  5. Step 5: Solve for x
    x = 156,140,751,646,525.56/14,389,440.84
  6. Step 6: Final answer
    x = 10,851,064.57

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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.