Home / 31,245,426.90-43,119,134.25-18,014,342.07

Finding the Fourth Proportional to 31,245,426.90, 43,119,134.25 and 18,014,342.07

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Solution

The fourth proportional to 31,245,426.90, 43,119,134.25 and 18,014,342.07 is: 24,860,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245,426.90 : 43,119,134.25 = 18,014,342.07 : x
  2. Step 2: Convert to fraction form
    31,245,426.90/43,119,134.25 = 18,014,342.07/x
  3. Step 3: Cross multiply
    31,245,426.90x = 43,119,134.25 × 18,014,342.07
  4. Step 4: Simplify right side
    31,245,426.90x = 776,762,834,141,752.88
  5. Step 5: Solve for x
    x = 776,762,834,141,752.88/31,245,426.90
  6. Step 6: Final answer
    x = 24,860,048.69

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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.