Home / 30,456,562.02-45,682,421.13-12,247,920.78

Finding the Fourth Proportional to 30,456,562.02, 45,682,421.13 and 12,247,920.78

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Solution

The fourth proportional to 30,456,562.02, 45,682,421.13 and 12,247,920.78 is: 18,370,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,456,562.02 : 45,682,421.13 = 12,247,920.78 : x
  2. Step 2: Convert to fraction form
    30,456,562.02/45,682,421.13 = 12,247,920.78/x
  3. Step 3: Cross multiply
    30,456,562.02x = 45,682,421.13 × 12,247,920.78
  4. Step 4: Simplify right side
    30,456,562.02x = 559,514,675,038,838.06
  5. Step 5: Solve for x
    x = 559,514,675,038,838.06/30,456,562.02
  6. Step 6: Final answer
    x = 18,370,907.22

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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.