Home / 20,185,280.30-30,241,834.95-12,283,649.30

Finding the Fourth Proportional to 20,185,280.30, 30,241,834.95 and 12,283,649.30

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Solution

The fourth proportional to 20,185,280.30, 30,241,834.95 and 12,283,649.30 is: 18,403,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,280.30 : 30,241,834.95 = 12,283,649.30 : x
  2. Step 2: Convert to fraction form
    20,185,280.30/30,241,834.95 = 12,283,649.30/x
  3. Step 3: Cross multiply
    20,185,280.30x = 30,241,834.95 × 12,283,649.30
  4. Step 4: Simplify right side
    20,185,280.30x = 371,480,094,714,283.06
  5. Step 5: Solve for x
    x = 371,480,094,714,283.06/20,185,280.30
  6. Step 6: Final answer
    x = 18,403,514.30

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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.