Home / 12,997,651.84-17,937,320-7,196,433.44

Finding the Fourth Proportional to 12,997,651.84, 17,937,320 and 7,196,433.44

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Solution

The fourth proportional to 12,997,651.84, 17,937,320 and 7,196,433.44 is: 9,931,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,651.84 : 17,937,320 = 7,196,433.44 : x
  2. Step 2: Convert to fraction form
    12,997,651.84/17,937,320 = 7,196,433.44/x
  3. Step 3: Cross multiply
    12,997,651.84x = 17,937,320 × 7,196,433.44
  4. Step 4: Simplify right side
    12,997,651.84x = 129,084,729,471,980.81
  5. Step 5: Solve for x
    x = 129,084,729,471,980.81/12,997,651.84
  6. Step 6: Final answer
    x = 9,931,388.46

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1.5x scale

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.