Home / 20,596,522.17-28,424,529.18-11,429,164.92

Finding the Fourth Proportional to 20,596,522.17, 28,424,529.18 and 11,429,164.92

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Solution

The fourth proportional to 20,596,522.17, 28,424,529.18 and 11,429,164.92 is: 15,772,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596,522.17 : 28,424,529.18 = 11,429,164.92 : x
  2. Step 2: Convert to fraction form
    20,596,522.17/28,424,529.18 = 11,429,164.92/x
  3. Step 3: Cross multiply
    20,596,522.17x = 28,424,529.18 × 11,429,164.92
  4. Step 4: Simplify right side
    20,596,522.17x = 324,868,631,771,572.38
  5. Step 5: Solve for x
    x = 324,868,631,771,572.38/20,596,522.17
  6. Step 6: Final answer
    x = 15,772,984.83

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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.