Home / 21,646,710.87-29,864,146.14-12,354,796.68

Finding the Fourth Proportional to 21,646,710.87, 29,864,146.14 and 12,354,796.68

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Solution

The fourth proportional to 21,646,710.87, 29,864,146.14 and 12,354,796.68 is: 17,044,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646,710.87 : 29,864,146.14 = 12,354,796.68 : x
  2. Step 2: Convert to fraction form
    21,646,710.87/29,864,146.14 = 12,354,796.68/x
  3. Step 3: Cross multiply
    21,646,710.87x = 29,864,146.14 × 12,354,796.68
  4. Step 4: Simplify right side
    21,646,710.87x = 368,965,453,581,506.81
  5. Step 5: Solve for x
    x = 368,965,453,581,506.81/21,646,710.87
  6. Step 6: Final answer
    x = 17,044,873.74

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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.