Home / 13,492,983.03-18,620,756.67-7,381,411.53

Finding the Fourth Proportional to 13,492,983.03, 18,620,756.67 and 7,381,411.53

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Solution

The fourth proportional to 13,492,983.03, 18,620,756.67 and 7,381,411.53 is: 10,186,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,983.03 : 18,620,756.67 = 7,381,411.53 : x
  2. Step 2: Convert to fraction form
    13,492,983.03/18,620,756.67 = 7,381,411.53/x
  3. Step 3: Cross multiply
    13,492,983.03x = 18,620,756.67 × 7,381,411.53
  4. Step 4: Simplify right side
    13,492,983.03x = 137,447,467,981,262.42
  5. Step 5: Solve for x
    x = 137,447,467,981,262.42/13,492,983.03
  6. Step 6: Final answer
    x = 10,186,588.66

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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.