Home / 19,666,109.55-27,139,344.90-10,964,823.87

Finding the Fourth Proportional to 19,666,109.55, 27,139,344.90 and 10,964,823.87

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Solution

The fourth proportional to 19,666,109.55, 27,139,344.90 and 10,964,823.87 is: 15,131,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,109.55 : 27,139,344.90 = 10,964,823.87 : x
  2. Step 2: Convert to fraction form
    19,666,109.55/27,139,344.90 = 10,964,823.87/x
  3. Step 3: Cross multiply
    19,666,109.55x = 27,139,344.90 × 10,964,823.87
  4. Step 4: Simplify right side
    19,666,109.55x = 297,578,136,775,682.75
  5. Step 5: Solve for x
    x = 297,578,136,775,682.75/19,666,109.55
  6. Step 6: Final answer
    x = 15,131,520.35

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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.