Home / 13,492,984.03-18,620,758.05-7,381,412.53

Finding the Fourth Proportional to 13,492,984.03, 18,620,758.05 and 7,381,412.53

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Solution

The fourth proportional to 13,492,984.03, 18,620,758.05 and 7,381,412.53 is: 10,186,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,984.03 : 18,620,758.05 = 7,381,412.53 : x
  2. Step 2: Convert to fraction form
    13,492,984.03/18,620,758.05 = 7,381,412.53/x
  3. Step 3: Cross multiply
    13,492,984.03x = 18,620,758.05 × 7,381,412.53
  4. Step 4: Simplify right side
    13,492,984.03x = 137,447,496,788,368.38
  5. Step 5: Solve for x
    x = 137,447,496,788,368.38/13,492,984.03
  6. Step 6: Final answer
    x = 10,186,590.04

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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.