Home / 22,369,358.52-30,869,421.30-12,579,799.50

Finding the Fourth Proportional to 22,369,358.52, 30,869,421.30 and 12,579,799.50

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Solution

The fourth proportional to 22,369,358.52, 30,869,421.30 and 12,579,799.50 is: 17,359,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,369,358.52 : 30,869,421.30 = 12,579,799.50 : x
  2. Step 2: Convert to fraction form
    22,369,358.52/30,869,421.30 = 12,579,799.50/x
  3. Step 3: Cross multiply
    22,369,358.52x = 30,869,421.30 × 12,579,799.50
  4. Step 4: Simplify right side
    22,369,358.52x = 388,331,130,635,029.38
  5. Step 5: Solve for x
    x = 388,331,130,635,029.38/22,369,358.52
  6. Step 6: Final answer
    x = 17,359,958.28

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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.