Home / 36,146,465.76-49,882,122.75-20,676,550.40

Finding the Fourth Proportional to 36,146,465.76, 49,882,122.75 and 20,676,550.40

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Solution

The fourth proportional to 36,146,465.76, 49,882,122.75 and 20,676,550.40 is: 28,533,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,146,465.76 : 49,882,122.75 = 20,676,550.40 : x
  2. Step 2: Convert to fraction form
    36,146,465.76/49,882,122.75 = 20,676,550.40/x
  3. Step 3: Cross multiply
    36,146,465.76x = 49,882,122.75 × 20,676,550.40
  4. Step 4: Simplify right side
    36,146,465.76x = 1,031,390,225,301,603.88
  5. Step 5: Solve for x
    x = 1,031,390,225,301,603.88/36,146,465.76
  6. Step 6: Final answer
    x = 28,533,639.56

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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.