Home / 13,353,656.35-18,428,045.76-7,242,084.85

Finding the Fourth Proportional to 13,353,656.35, 18,428,045.76 and 7,242,084.85

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Solution

The fourth proportional to 13,353,656.35, 18,428,045.76 and 7,242,084.85 is: 9,994,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,656.35 : 18,428,045.76 = 7,242,084.85 : x
  2. Step 2: Convert to fraction form
    13,353,656.35/18,428,045.76 = 7,242,084.85/x
  3. Step 3: Cross multiply
    13,353,656.35x = 18,428,045.76 × 7,242,084.85
  4. Step 4: Simplify right side
    13,353,656.35x = 133,457,470,885,252.08
  5. Step 5: Solve for x
    x = 133,457,470,885,252.08/13,353,656.35
  6. Step 6: Final answer
    x = 9,994,077.09

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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.