Home / 12,760,901.40-19,155,348.90-7,973,995.80

Finding the Fourth Proportional to 12,760,901.40, 19,155,348.90 and 7,973,995.80

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Solution

The fourth proportional to 12,760,901.40, 19,155,348.90 and 7,973,995.80 is: 11,969,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,901.40 : 19,155,348.90 = 7,973,995.80 : x
  2. Step 2: Convert to fraction form
    12,760,901.40/19,155,348.90 = 7,973,995.80/x
  3. Step 3: Cross multiply
    12,760,901.40x = 19,155,348.90 × 7,973,995.80
  4. Step 4: Simplify right side
    12,760,901.40x = 152,744,671,676,134.59
  5. Step 5: Solve for x
    x = 152,744,671,676,134.59/12,760,901.40
  6. Step 6: Final answer
    x = 11,969,739.98

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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.