Home / 18,240,370.80-25,169,499-10,507,916.40

Finding the Fourth Proportional to 18,240,370.80, 25,169,499 and 10,507,916.40

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Solution

The fourth proportional to 18,240,370.80, 25,169,499 and 10,507,916.40 is: 14,499,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240,370.80 : 25,169,499 = 10,507,916.40 : x
  2. Step 2: Convert to fraction form
    18,240,370.80/25,169,499 = 10,507,916.40/x
  3. Step 3: Cross multiply
    18,240,370.80x = 25,169,499 × 10,507,916.40
  4. Step 4: Simplify right side
    18,240,370.80x = 264,478,991,321,883.62
  5. Step 5: Solve for x
    x = 264,478,991,321,883.62/18,240,370.80
  6. Step 6: Final answer
    x = 14,499,649.94

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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.