Home / 14,058,014.40-21,045,031.20-8,375,313.60

Finding the Fourth Proportional to 14,058,014.40, 21,045,031.20 and 8,375,313.60

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Solution

The fourth proportional to 14,058,014.40, 21,045,031.20 and 8,375,313.60 is: 12,537,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058,014.40 : 21,045,031.20 = 8,375,313.60 : x
  2. Step 2: Convert to fraction form
    14,058,014.40/21,045,031.20 = 8,375,313.60/x
  3. Step 3: Cross multiply
    14,058,014.40x = 21,045,031.20 × 8,375,313.60
  4. Step 4: Simplify right side
    14,058,014.40x = 176,258,736,021,784.31
  5. Step 5: Solve for x
    x = 176,258,736,021,784.31/14,058,014.40
  6. Step 6: Final answer
    x = 12,537,953.87

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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.