Home / 18,939,348.02-26,136,289.01-10,237,520.77

Finding the Fourth Proportional to 18,939,348.02, 26,136,289.01 and 10,237,520.77

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Solution

The fourth proportional to 18,939,348.02, 26,136,289.01 and 10,237,520.77 is: 14,127,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939,348.02 : 26,136,289.01 = 10,237,520.77 : x
  2. Step 2: Convert to fraction form
    18,939,348.02/26,136,289.01 = 10,237,520.77/x
  3. Step 3: Cross multiply
    18,939,348.02x = 26,136,289.01 × 10,237,520.77
  4. Step 4: Simplify right side
    18,939,348.02x = 267,570,801,408,728.69
  5. Step 5: Solve for x
    x = 267,570,801,408,728.69/18,939,348.02
  6. Step 6: Final answer
    x = 14,127,772.57

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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.