Home / 18,923,666.10-26,114,669.72-10,221,838.79

Finding the Fourth Proportional to 18,923,666.10, 26,114,669.72 and 10,221,838.79

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Solution

The fourth proportional to 18,923,666.10, 26,114,669.72 and 10,221,838.79 is: 14,106,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,666.10 : 26,114,669.72 = 10,221,838.79 : x
  2. Step 2: Convert to fraction form
    18,923,666.10/26,114,669.72 = 10,221,838.79/x
  3. Step 3: Cross multiply
    18,923,666.10x = 26,114,669.72 × 10,221,838.79
  4. Step 4: Simplify right side
    18,923,666.10x = 266,939,943,880,825.22
  5. Step 5: Solve for x
    x = 266,939,943,880,825.22/18,923,666.10
  6. Step 6: Final answer
    x = 14,106,143.20

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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.