Home / 12,817,892.94-17,688,690.95-7,016,678.61

Finding the Fourth Proportional to 12,817,892.94, 17,688,690.95 and 7,016,678.61

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Solution

The fourth proportional to 12,817,892.94, 17,688,690.95 and 7,016,678.61 is: 9,683,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,892.94 : 17,688,690.95 = 7,016,678.61 : x
  2. Step 2: Convert to fraction form
    12,817,892.94/17,688,690.95 = 7,016,678.61/x
  3. Step 3: Cross multiply
    12,817,892.94x = 17,688,690.95 × 7,016,678.61
  4. Step 4: Simplify right side
    12,817,892.94x = 124,115,859,392,682.19
  5. Step 5: Solve for x
    x = 124,115,859,392,682.19/12,817,892.94
  6. Step 6: Final answer
    x = 9,683,015.76

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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.