Home / 15,662,899.63-21,614,475.80-8,693,168.32

Finding the Fourth Proportional to 15,662,899.63, 21,614,475.80 and 8,693,168.32

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Solution

The fourth proportional to 15,662,899.63, 21,614,475.80 and 8,693,168.32 is: 11,996,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662,899.63 : 21,614,475.80 = 8,693,168.32 : x
  2. Step 2: Convert to fraction form
    15,662,899.63/21,614,475.80 = 8,693,168.32/x
  3. Step 3: Cross multiply
    15,662,899.63x = 21,614,475.80 × 8,693,168.32
  4. Step 4: Simplify right side
    15,662,899.63x = 187,898,276,277,966.66
  5. Step 5: Solve for x
    x = 187,898,276,277,966.66/15,662,899.63
  6. Step 6: Final answer
    x = 11,996,391.52

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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.