Home / 12,098,690.36-16,692,610.93-7,199,985.32

Finding the Fourth Proportional to 12,098,690.36, 16,692,610.93 and 7,199,985.32

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Solution

The fourth proportional to 12,098,690.36, 16,692,610.93 and 7,199,985.32 is: 9,933,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,690.36 : 16,692,610.93 = 7,199,985.32 : x
  2. Step 2: Convert to fraction form
    12,098,690.36/16,692,610.93 = 7,199,985.32/x
  3. Step 3: Cross multiply
    12,098,690.36x = 16,692,610.93 × 7,199,985.32
  4. Step 4: Simplify right side
    12,098,690.36x = 120,186,553,529,008.58
  5. Step 5: Solve for x
    x = 120,186,553,529,008.58/12,098,690.36
  6. Step 6: Final answer
    x = 9,933,848.21

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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.