Home / 22,421,553.12-30,941,742.77-12,108,275.37

Finding the Fourth Proportional to 22,421,553.12, 30,941,742.77 and 12,108,275.37

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Solution

The fourth proportional to 22,421,553.12, 30,941,742.77 and 12,108,275.37 is: 16,709,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,553.12 : 30,941,742.77 = 12,108,275.37 : x
  2. Step 2: Convert to fraction form
    22,421,553.12/30,941,742.77 = 12,108,275.37/x
  3. Step 3: Cross multiply
    22,421,553.12x = 30,941,742.77 × 12,108,275.37
  4. Step 4: Simplify right side
    22,421,553.12x = 374,651,141,826,325.19
  5. Step 5: Solve for x
    x = 374,651,141,826,325.19/22,421,553.12
  6. Step 6: Final answer
    x = 16,709,419.72

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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.