Home / 13,572,234.09-18,729,208.13-7,460,618.85

Finding the Fourth Proportional to 13,572,234.09, 18,729,208.13 and 7,460,618.85

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Solution

The fourth proportional to 13,572,234.09, 18,729,208.13 and 7,460,618.85 is: 10,295,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,234.09 : 18,729,208.13 = 7,460,618.85 : x
  2. Step 2: Convert to fraction form
    13,572,234.09/18,729,208.13 = 7,460,618.85/x
  3. Step 3: Cross multiply
    13,572,234.09x = 18,729,208.13 × 7,460,618.85
  4. Step 4: Simplify right side
    13,572,234.09x = 139,731,483,182,948.16
  5. Step 5: Solve for x
    x = 139,731,483,182,948.16/13,572,234.09
  6. Step 6: Final answer
    x = 10,295,392.95

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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.