Home / 13,574,285.57-18,732,346.13-7,462,660.61

Finding the Fourth Proportional to 13,574,285.57, 18,732,346.13 and 7,462,660.61

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Solution

The fourth proportional to 13,574,285.57, 18,732,346.13 and 7,462,660.61 is: 10,298,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,285.57 : 18,732,346.13 = 7,462,660.61 : x
  2. Step 2: Convert to fraction form
    13,574,285.57/18,732,346.13 = 7,462,660.61/x
  3. Step 3: Cross multiply
    13,574,285.57x = 18,732,346.13 × 7,462,660.61
  4. Step 4: Simplify right side
    13,574,285.57x = 139,793,141,559,923.64
  5. Step 5: Solve for x
    x = 139,793,141,559,923.64/13,574,285.57
  6. Step 6: Final answer
    x = 10,298,379.30

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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.