Home / 13,291,644.02-18,345,881.28-8,656,977.92

Finding the Fourth Proportional to 13,291,644.02, 18,345,881.28 and 8,656,977.92

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Solution

The fourth proportional to 13,291,644.02, 18,345,881.28 and 8,656,977.92 is: 11,948,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,644.02 : 18,345,881.28 = 8,656,977.92 : x
  2. Step 2: Convert to fraction form
    13,291,644.02/18,345,881.28 = 8,656,977.92/x
  3. Step 3: Cross multiply
    13,291,644.02x = 18,345,881.28 × 8,656,977.92
  4. Step 4: Simplify right side
    13,291,644.02x = 158,819,889,163,901.34
  5. Step 5: Solve for x
    x = 158,819,889,163,901.34/13,291,644.02
  6. Step 6: Final answer
    x = 11,948,852.15

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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.