Home / 15,320,358.82-21,142,090.02-8,444,955.70

Finding the Fourth Proportional to 15,320,358.82, 21,142,090.02 and 8,444,955.70

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Solution

The fourth proportional to 15,320,358.82, 21,142,090.02 and 8,444,955.70 is: 11,654,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320,358.82 : 21,142,090.02 = 8,444,955.70 : x
  2. Step 2: Convert to fraction form
    15,320,358.82/21,142,090.02 = 8,444,955.70/x
  3. Step 3: Cross multiply
    15,320,358.82x = 21,142,090.02 × 8,444,955.70
  4. Step 4: Simplify right side
    15,320,358.82x = 178,544,013,624,312.09
  5. Step 5: Solve for x
    x = 178,544,013,624,312.09/15,320,358.82
  6. Step 6: Final answer
    x = 11,654,036.03

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1.5x scale

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.