Home / 20,013,347.65-27,618,406.61-10,845,990.43

Finding the Fourth Proportional to 20,013,347.65, 27,618,406.61 and 10,845,990.43

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Solution

The fourth proportional to 20,013,347.65, 27,618,406.61 and 10,845,990.43 is: 14,967,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,347.65 : 27,618,406.61 = 10,845,990.43 : x
  2. Step 2: Convert to fraction form
    20,013,347.65/27,618,406.61 = 10,845,990.43/x
  3. Step 3: Cross multiply
    20,013,347.65x = 27,618,406.61 × 10,845,990.43
  4. Step 4: Simplify right side
    20,013,347.65x = 299,548,973,729,678.81
  5. Step 5: Solve for x
    x = 299,548,973,729,678.81/20,013,347.65
  6. Step 6: Final answer
    x = 14,967,459.67

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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.