Home / 19,666,113.45-27,139,350.30-10,964,827.77

Finding the Fourth Proportional to 19,666,113.45, 27,139,350.30 and 10,964,827.77

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Solution

The fourth proportional to 19,666,113.45, 27,139,350.30 and 10,964,827.77 is: 15,131,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,113.45 : 27,139,350.30 = 10,964,827.77 : x
  2. Step 2: Convert to fraction form
    19,666,113.45/27,139,350.30 = 10,964,827.77/x
  3. Step 3: Cross multiply
    19,666,113.45x = 27,139,350.30 × 10,964,827.77
  4. Step 4: Simplify right side
    19,666,113.45x = 297,578,301,829,197.81
  5. Step 5: Solve for x
    x = 297,578,301,829,197.81/19,666,113.45
  6. Step 6: Final answer
    x = 15,131,525.74

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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.