Home / 15,684,237.12-21,643,298.40-8,714,676.36

Finding the Fourth Proportional to 15,684,237.12, 21,643,298.40 and 8,714,676.36

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Solution

The fourth proportional to 15,684,237.12, 21,643,298.40 and 8,714,676.36 is: 12,025,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684,237.12 : 21,643,298.40 = 8,714,676.36 : x
  2. Step 2: Convert to fraction form
    15,684,237.12/21,643,298.40 = 8,714,676.36/x
  3. Step 3: Cross multiply
    15,684,237.12x = 21,643,298.40 × 8,714,676.36
  4. Step 4: Simplify right side
    15,684,237.12x = 188,614,340,918,905.81
  5. Step 5: Solve for x
    x = 188,614,340,918,905.81/15,684,237.12
  6. Step 6: Final answer
    x = 12,025,726.18

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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.