Home / 12,565,048.32-18,845,328.87-3,343,073.76

Finding the Fourth Proportional to 12,565,048.32, 18,845,328.87 and 3,343,073.76

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Solution

The fourth proportional to 12,565,048.32, 18,845,328.87 and 3,343,073.76 is: 5,014,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565,048.32 : 18,845,328.87 = 3,343,073.76 : x
  2. Step 2: Convert to fraction form
    12,565,048.32/18,845,328.87 = 3,343,073.76/x
  3. Step 3: Cross multiply
    12,565,048.32x = 18,845,328.87 × 3,343,073.76
  4. Step 4: Simplify right side
    12,565,048.32x = 63,001,324,443,867.45
  5. Step 5: Solve for x
    x = 63,001,324,443,867.45/12,565,048.32
  6. Step 6: Final answer
    x = 5,014,013.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.