Home / 21,804,695.10-32,707,042.65-13,280,643.90

Finding the Fourth Proportional to 21,804,695.10, 32,707,042.65 and 13,280,643.90

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Solution

The fourth proportional to 21,804,695.10, 32,707,042.65 and 13,280,643.90 is: 19,920,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,695.10 : 32,707,042.65 = 13,280,643.90 : x
  2. Step 2: Convert to fraction form
    21,804,695.10/32,707,042.65 = 13,280,643.90/x
  3. Step 3: Cross multiply
    21,804,695.10x = 32,707,042.65 × 13,280,643.90
  4. Step 4: Simplify right side
    21,804,695.10x = 434,370,586,456,762.31
  5. Step 5: Solve for x
    x = 434,370,586,456,762.31/21,804,695.10
  6. Step 6: Final answer
    x = 19,920,965.85

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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.