Home / 18,923,805.64-26,114,848.14-10,221,978.70

Finding the Fourth Proportional to 18,923,805.64, 26,114,848.14 and 10,221,978.70

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Solution

The fourth proportional to 18,923,805.64, 26,114,848.14 and 10,221,978.70 is: 14,106,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,805.64 : 26,114,848.14 = 10,221,978.70 : x
  2. Step 2: Convert to fraction form
    18,923,805.64/26,114,848.14 = 10,221,978.70/x
  3. Step 3: Cross multiply
    18,923,805.64x = 26,114,848.14 × 10,221,978.70
  4. Step 4: Simplify right side
    18,923,805.64x = 266,945,421,440,814.59
  5. Step 5: Solve for x
    x = 266,945,421,440,814.59/18,923,805.64
  6. Step 6: Final answer
    x = 14,106,328.64

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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.