Home / 28,099,373.85-42,151,952.11-10,606,665.03

Finding the Fourth Proportional to 28,099,373.85, 42,151,952.11 and 10,606,665.03

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Solution

The fourth proportional to 28,099,373.85, 42,151,952.11 and 10,606,665.03 is: 15,911,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099,373.85 : 42,151,952.11 = 10,606,665.03 : x
  2. Step 2: Convert to fraction form
    28,099,373.85/42,151,952.11 = 10,606,665.03/x
  3. Step 3: Cross multiply
    28,099,373.85x = 42,151,952.11 × 10,606,665.03
  4. Step 4: Simplify right side
    28,099,373.85x = 447,091,636,391,371.69
  5. Step 5: Solve for x
    x = 447,091,636,391,371.69/28,099,373.85
  6. Step 6: Final answer
    x = 15,911,088.94

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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.