Home / 18,306,487-25,262,952.06-10,159,036.12

Finding the Fourth Proportional to 18,306,487, 25,262,952.06 and 10,159,036.12

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Solution

The fourth proportional to 18,306,487, 25,262,952.06 and 10,159,036.12 is: 14,019,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306,487 : 25,262,952.06 = 10,159,036.12 : x
  2. Step 2: Convert to fraction form
    18,306,487/25,262,952.06 = 10,159,036.12/x
  3. Step 3: Cross multiply
    18,306,487x = 25,262,952.06 × 10,159,036.12
  4. Step 4: Simplify right side
    18,306,487x = 256,647,242,475,368.38
  5. Step 5: Solve for x
    x = 256,647,242,475,368.38/18,306,487
  6. Step 6: Final answer
    x = 14,019,469.85

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Double scale
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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.