Home / 22,421,938.77-30,942,275.89-12,108,661.87

Finding the Fourth Proportional to 22,421,938.77, 30,942,275.89 and 12,108,661.87

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Solution

The fourth proportional to 22,421,938.77, 30,942,275.89 and 12,108,661.87 is: 16,709,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,938.77 : 30,942,275.89 = 12,108,661.87 : x
  2. Step 2: Convert to fraction form
    22,421,938.77/30,942,275.89 = 12,108,661.87/x
  3. Step 3: Cross multiply
    22,421,938.77x = 30,942,275.89 × 12,108,661.87
  4. Step 4: Simplify right side
    22,421,938.77x = 374,669,556,133,897.50
  5. Step 5: Solve for x
    x = 374,669,556,133,897.50/22,421,938.77
  6. Step 6: Final answer
    x = 16,709,953.58

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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.