Home / 12,392,465.40-18,588,698.10-9,841,548.60

Finding the Fourth Proportional to 12,392,465.40, 18,588,698.10 and 9,841,548.60

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Solution

The fourth proportional to 12,392,465.40, 18,588,698.10 and 9,841,548.60 is: 14,762,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,465.40 : 18,588,698.10 = 9,841,548.60 : x
  2. Step 2: Convert to fraction form
    12,392,465.40/18,588,698.10 = 9,841,548.60/x
  3. Step 3: Cross multiply
    12,392,465.40x = 18,588,698.10 × 9,841,548.60
  4. Step 4: Simplify right side
    12,392,465.40x = 182,941,575,761,877.66
  5. Step 5: Solve for x
    x = 182,941,575,761,877.66/12,392,465.40
  6. Step 6: Final answer
    x = 14,762,322.90

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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.