Home / 12,345,020.87-17,036,265.06-6,838,480.08

Finding the Fourth Proportional to 12,345,020.87, 17,036,265.06 and 6,838,480.08

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Solution

The fourth proportional to 12,345,020.87, 17,036,265.06 and 6,838,480.08 is: 9,437,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,020.87 : 17,036,265.06 = 6,838,480.08 : x
  2. Step 2: Convert to fraction form
    12,345,020.87/17,036,265.06 = 6,838,480.08/x
  3. Step 3: Cross multiply
    12,345,020.87x = 17,036,265.06 × 6,838,480.08
  4. Step 4: Simplify right side
    12,345,020.87x = 116,502,159,250,410
  5. Step 5: Solve for x
    x = 116,502,159,250,410/12,345,020.87
  6. Step 6: Final answer
    x = 9,437,177.99

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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.