Home / 38,143,404.56-52,637,516.00-20,739,750.63

Finding the Fourth Proportional to 38,143,404.56, 52,637,516.00 and 20,739,750.63

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Solution

The fourth proportional to 38,143,404.56, 52,637,516.00 and 20,739,750.63 is: 28,620,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143,404.56 : 52,637,516.00 = 20,739,750.63 : x
  2. Step 2: Convert to fraction form
    38,143,404.56/52,637,516.00 = 20,739,750.63/x
  3. Step 3: Cross multiply
    38,143,404.56x = 52,637,516.00 × 20,739,750.63
  4. Step 4: Simplify right side
    38,143,404.56x = 1,091,688,955,518,936.25
  5. Step 5: Solve for x
    x = 1,091,688,955,518,936.25/38,143,404.56
  6. Step 6: Final answer
    x = 28,620,648.01

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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.