Home / 28,288,003.70-42,432,005.55-10,349,981.30

Finding the Fourth Proportional to 28,288,003.70, 42,432,005.55 and 10,349,981.30

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Solution

The fourth proportional to 28,288,003.70, 42,432,005.55 and 10,349,981.30 is: 15,524,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288,003.70 : 42,432,005.55 = 10,349,981.30 : x
  2. Step 2: Convert to fraction form
    28,288,003.70/42,432,005.55 = 10,349,981.30/x
  3. Step 3: Cross multiply
    28,288,003.70x = 42,432,005.55 × 10,349,981.30
  4. Step 4: Simplify right side
    28,288,003.70x = 439,170,463,963,996.19
  5. Step 5: Solve for x
    x = 439,170,463,963,996.19/28,288,003.70
  6. Step 6: Final answer
    x = 15,524,971.95

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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.