Home / 30,631,901.22-42,272,030.79-16,693,260.21

Finding the Fourth Proportional to 30,631,901.22, 42,272,030.79 and 16,693,260.21

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Solution

The fourth proportional to 30,631,901.22, 42,272,030.79 and 16,693,260.21 is: 23,036,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631,901.22 : 42,272,030.79 = 16,693,260.21 : x
  2. Step 2: Convert to fraction form
    30,631,901.22/42,272,030.79 = 16,693,260.21/x
  3. Step 3: Cross multiply
    30,631,901.22x = 42,272,030.79 × 16,693,260.21
  4. Step 4: Simplify right side
    30,631,901.22x = 705,658,009,582,601.88
  5. Step 5: Solve for x
    x = 705,658,009,582,601.88/30,631,901.22
  6. Step 6: Final answer
    x = 23,036,702.96

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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.