Home / 13,051,374.93-18,011,408.13-8,930,050.11

Finding the Fourth Proportional to 13,051,374.93, 18,011,408.13 and 8,930,050.11

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Solution

The fourth proportional to 13,051,374.93, 18,011,408.13 and 8,930,050.11 is: 12,323,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,374.93 : 18,011,408.13 = 8,930,050.11 : x
  2. Step 2: Convert to fraction form
    13,051,374.93/18,011,408.13 = 8,930,050.11/x
  3. Step 3: Cross multiply
    13,051,374.93x = 18,011,408.13 × 8,930,050.11
  4. Step 4: Simplify right side
    13,051,374.93x = 160,842,777,152,561.38
  5. Step 5: Solve for x
    x = 160,842,777,152,561.38/13,051,374.93
  6. Step 6: Final answer
    x = 12,323,818.60

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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.