Home / 12,923,750.18-17,837,421.76-7,699,818.57

Finding the Fourth Proportional to 12,923,750.18, 17,837,421.76 and 7,699,818.57

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Solution

The fourth proportional to 12,923,750.18, 17,837,421.76 and 7,699,818.57 is: 10,627,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,750.18 : 17,837,421.76 = 7,699,818.57 : x
  2. Step 2: Convert to fraction form
    12,923,750.18/17,837,421.76 = 7,699,818.57/x
  3. Step 3: Cross multiply
    12,923,750.18x = 17,837,421.76 × 7,699,818.57
  4. Step 4: Simplify right side
    12,923,750.18x = 137,344,911,308,570.09
  5. Step 5: Solve for x
    x = 137,344,911,308,570.09/12,923,750.18
  6. Step 6: Final answer
    x = 10,627,326.39

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1.5x scale

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.