Home / 27,558,535.89-38,028,307.64-15,956,882.40

Finding the Fourth Proportional to 27,558,535.89, 38,028,307.64 and 15,956,882.40

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Solution

The fourth proportional to 27,558,535.89, 38,028,307.64 and 15,956,882.40 is: 22,019,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558,535.89 : 38,028,307.64 = 15,956,882.40 : x
  2. Step 2: Convert to fraction form
    27,558,535.89/38,028,307.64 = 15,956,882.40/x
  3. Step 3: Cross multiply
    27,558,535.89x = 38,028,307.64 × 15,956,882.40
  4. Step 4: Simplify right side
    27,558,535.89x = 606,813,232,802,717.12
  5. Step 5: Solve for x
    x = 606,813,232,802,717.12/27,558,535.89
  6. Step 6: Final answer
    x = 22,019,066.44

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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.