Home / 12,994,875.36-17,932,713.12-7,193,534.40

Finding the Fourth Proportional to 12,994,875.36, 17,932,713.12 and 7,193,534.40

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Solution

The fourth proportional to 12,994,875.36, 17,932,713.12 and 7,193,534.40 is: 9,926,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,875.36 : 17,932,713.12 = 7,193,534.40 : x
  2. Step 2: Convert to fraction form
    12,994,875.36/17,932,713.12 = 7,193,534.40/x
  3. Step 3: Cross multiply
    12,994,875.36x = 17,932,713.12 × 7,193,534.40
  4. Step 4: Simplify right side
    12,994,875.36x = 128,999,588,714,051.34
  5. Step 5: Solve for x
    x = 128,999,588,714,051.34/12,994,875.36
  6. Step 6: Final answer
    x = 9,926,958.52

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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.