Home / 12,996,749.04-17,935,996.86-7,415,904.12

Finding the Fourth Proportional to 12,996,749.04, 17,935,996.86 and 7,415,904.12

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Solution

The fourth proportional to 12,996,749.04, 17,935,996.86 and 7,415,904.12 is: 10,234,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,749.04 : 17,935,996.86 = 7,415,904.12 : x
  2. Step 2: Convert to fraction form
    12,996,749.04/17,935,996.86 = 7,415,904.12/x
  3. Step 3: Cross multiply
    12,996,749.04x = 17,935,996.86 × 7,415,904.12
  4. Step 4: Simplify right side
    12,996,749.04x = 133,011,633,010,381.06
  5. Step 5: Solve for x
    x = 133,011,633,010,381.06/12,996,749.04
  6. Step 6: Final answer
    x = 10,234,223.39

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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.