Home / 19,666,100.70-27,139,332.69-10,964,815.02

Finding the Fourth Proportional to 19,666,100.70, 27,139,332.69 and 10,964,815.02

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Solution

The fourth proportional to 19,666,100.70, 27,139,332.69 and 10,964,815.02 is: 15,131,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,100.70 : 27,139,332.69 = 10,964,815.02 : x
  2. Step 2: Convert to fraction form
    19,666,100.70/27,139,332.69 = 10,964,815.02/x
  3. Step 3: Cross multiply
    19,666,100.70x = 27,139,332.69 × 10,964,815.02
  4. Step 4: Simplify right side
    19,666,100.70x = 297,577,762,712,089
  5. Step 5: Solve for x
    x = 297,577,762,712,089/19,666,100.70
  6. Step 6: Final answer
    x = 15,131,508.13

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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.