Home / 18,122,314.92-25,003,165.50-10,280,534.28

Finding the Fourth Proportional to 18,122,314.92, 25,003,165.50 and 10,280,534.28

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Solution

The fourth proportional to 18,122,314.92, 25,003,165.50 and 10,280,534.28 is: 14,183,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,314.92 : 25,003,165.50 = 10,280,534.28 : x
  2. Step 2: Convert to fraction form
    18,122,314.92/25,003,165.50 = 10,280,534.28/x
  3. Step 3: Cross multiply
    18,122,314.92x = 25,003,165.50 × 10,280,534.28
  4. Step 4: Simplify right side
    18,122,314.92x = 257,045,900,031,263.31
  5. Step 5: Solve for x
    x = 257,045,900,031,263.31/18,122,314.92
  6. Step 6: Final answer
    x = 14,183,944.00

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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.