Home / 18,939,505.57-26,136,525.43-10,237,678.16

Finding the Fourth Proportional to 18,939,505.57, 26,136,525.43 and 10,237,678.16

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Solution

The fourth proportional to 18,939,505.57, 26,136,525.43 and 10,237,678.16 is: 14,128,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939,505.57 : 26,136,525.43 = 10,237,678.16 : x
  2. Step 2: Convert to fraction form
    18,939,505.57/26,136,525.43 = 10,237,678.16/x
  3. Step 3: Cross multiply
    18,939,505.57x = 26,136,525.43 × 10,237,678.16
  4. Step 4: Simplify right side
    18,939,505.57x = 267,577,335,416,718.75
  5. Step 5: Solve for x
    x = 267,577,335,416,718.75/18,939,505.57
  6. Step 6: Final answer
    x = 14,128,000.04

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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.