Home / 21,637,062.36-29,859,950.70-12,346,145.28

Finding the Fourth Proportional to 21,637,062.36, 29,859,950.70 and 12,346,145.28

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Solution

The fourth proportional to 21,637,062.36, 29,859,950.70 and 12,346,145.28 is: 17,038,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637,062.36 : 29,859,950.70 = 12,346,145.28 : x
  2. Step 2: Convert to fraction form
    21,637,062.36/29,859,950.70 = 12,346,145.28/x
  3. Step 3: Cross multiply
    21,637,062.36x = 29,859,950.70 × 12,346,145.28
  4. Step 4: Simplify right side
    21,637,062.36x = 368,655,289,395,837.69
  5. Step 5: Solve for x
    x = 368,655,289,395,837.69/21,637,062.36
  6. Step 6: Final answer
    x = 17,038,139.62

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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.