Home / 12,996,325.32-17,934,933.28-7,116,331.40

Finding the Fourth Proportional to 12,996,325.32, 17,934,933.28 and 7,116,331.40

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Solution

The fourth proportional to 12,996,325.32, 17,934,933.28 and 7,116,331.40 is: 9,820,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,325.32 : 17,934,933.28 = 7,116,331.40 : x
  2. Step 2: Convert to fraction form
    12,996,325.32/17,934,933.28 = 7,116,331.40/x
  3. Step 3: Cross multiply
    12,996,325.32x = 17,934,933.28 × 7,116,331.40
  4. Step 4: Simplify right side
    12,996,325.32x = 127,630,928,857,369
  5. Step 5: Solve for x
    x = 127,630,928,857,369/12,996,325.32
  6. Step 6: Final answer
    x = 9,820,539.71

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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.