Home / 13,228,231.40-19,842,347.10-9,421,101.80

Finding the Fourth Proportional to 13,228,231.40, 19,842,347.10 and 9,421,101.80

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Solution

The fourth proportional to 13,228,231.40, 19,842,347.10 and 9,421,101.80 is: 14,131,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228,231.40 : 19,842,347.10 = 9,421,101.80 : x
  2. Step 2: Convert to fraction form
    13,228,231.40/19,842,347.10 = 9,421,101.80/x
  3. Step 3: Cross multiply
    13,228,231.40x = 19,842,347.10 × 9,421,101.80
  4. Step 4: Simplify right side
    13,228,231.40x = 186,936,771,980,034.81
  5. Step 5: Solve for x
    x = 186,936,771,980,034.81/13,228,231.40
  6. Step 6: Final answer
    x = 14,131,652.70

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.