Home / 30,570,435.02-42,187,535.12-16,631,869.34

Finding the Fourth Proportional to 30,570,435.02, 42,187,535.12 and 16,631,869.34

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Solution

The fourth proportional to 30,570,435.02, 42,187,535.12 and 16,631,869.34 is: 22,952,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570,435.02 : 42,187,535.12 = 16,631,869.34 : x
  2. Step 2: Convert to fraction form
    30,570,435.02/42,187,535.12 = 16,631,869.34/x
  3. Step 3: Cross multiply
    30,570,435.02x = 42,187,535.12 × 16,631,869.34
  4. Step 4: Simplify right side
    30,570,435.02x = 701,657,571,892,501.12
  5. Step 5: Solve for x
    x = 701,657,571,892,501.12/30,570,435.02
  6. Step 6: Final answer
    x = 22,952,161.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.