Home / 18,766,529.50-28,154,038.90-10,130,444.58

Finding the Fourth Proportional to 18,766,529.50, 28,154,038.90 and 10,130,444.58

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Solution

The fourth proportional to 18,766,529.50, 28,154,038.90 and 10,130,444.58 is: 15,197,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766,529.50 : 28,154,038.90 = 10,130,444.58 : x
  2. Step 2: Convert to fraction form
    18,766,529.50/28,154,038.90 = 10,130,444.58/x
  3. Step 3: Cross multiply
    18,766,529.50x = 28,154,038.90 × 10,130,444.58
  4. Step 4: Simplify right side
    18,766,529.50x = 285,212,930,720,493.81
  5. Step 5: Solve for x
    x = 285,212,930,720,493.81/18,766,529.50
  6. Step 6: Final answer
    x = 15,197,958.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.