Home / 13,372,381.16-18,453,368.52-7,260,669.80

Finding the Fourth Proportional to 13,372,381.16, 18,453,368.52 and 7,260,669.80

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Solution

The fourth proportional to 13,372,381.16, 18,453,368.52 and 7,260,669.80 is: 10,019,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,381.16 : 18,453,368.52 = 7,260,669.80 : x
  2. Step 2: Convert to fraction form
    13,372,381.16/18,453,368.52 = 7,260,669.80/x
  3. Step 3: Cross multiply
    13,372,381.16x = 18,453,368.52 × 7,260,669.80
  4. Step 4: Simplify right side
    13,372,381.16x = 133,983,815,521,434.69
  5. Step 5: Solve for x
    x = 133,983,815,521,434.69/13,372,381.16
  6. Step 6: Final answer
    x = 10,019,443.35

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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.