Home / 38,143,568.34-52,637,758.38-20,739,917.13

Finding the Fourth Proportional to 38,143,568.34, 52,637,758.38 and 20,739,917.13

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Solution

The fourth proportional to 38,143,568.34, 52,637,758.38 and 20,739,917.13 is: 28,620,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143,568.34 : 52,637,758.38 = 20,739,917.13 : x
  2. Step 2: Convert to fraction form
    38,143,568.34/52,637,758.38 = 20,739,917.13/x
  3. Step 3: Cross multiply
    38,143,568.34x = 52,637,758.38 × 20,739,917.13
  4. Step 4: Simplify right side
    38,143,568.34x = 1,091,702,746,710,163
  5. Step 5: Solve for x
    x = 1,091,702,746,710,163/38,143,568.34
  6. Step 6: Final answer
    x = 28,620,886.67

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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.