Home / 12,345,029.12-17,036,276.45-6,838,488.33

Finding the Fourth Proportional to 12,345,029.12, 17,036,276.45 and 6,838,488.33

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Solution

The fourth proportional to 12,345,029.12, 17,036,276.45 and 6,838,488.33 is: 9,437,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,029.12 : 17,036,276.45 = 6,838,488.33 : x
  2. Step 2: Convert to fraction form
    12,345,029.12/17,036,276.45 = 6,838,488.33/x
  3. Step 3: Cross multiply
    12,345,029.12x = 17,036,276.45 × 6,838,488.33
  4. Step 4: Simplify right side
    12,345,029.12x = 116,502,377,655,786.39
  5. Step 5: Solve for x
    x = 116,502,377,655,786.39/12,345,029.12
  6. Step 6: Final answer
    x = 9,437,189.38

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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.