Home / 12,384,002.80-18,576,004.20-7,534,111.60

Finding the Fourth Proportional to 12,384,002.80, 18,576,004.20 and 7,534,111.60

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Solution

The fourth proportional to 12,384,002.80, 18,576,004.20 and 7,534,111.60 is: 11,301,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,002.80 : 18,576,004.20 = 7,534,111.60 : x
  2. Step 2: Convert to fraction form
    12,384,002.80/18,576,004.20 = 7,534,111.60/x
  3. Step 3: Cross multiply
    12,384,002.80x = 18,576,004.20 × 7,534,111.60
  4. Step 4: Simplify right side
    12,384,002.80x = 139,953,688,724,868.70
  5. Step 5: Solve for x
    x = 139,953,688,724,868.70/12,384,002.80
  6. Step 6: Final answer
    x = 11,301,167.40

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1.5x scale

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.