Home / 13,935,774.28-19,231,368.51-7,824,334

Finding the Fourth Proportional to 13,935,774.28, 19,231,368.51 and 7,824,334

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Solution

The fourth proportional to 13,935,774.28, 19,231,368.51 and 7,824,334 is: 10,797,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,774.28 : 19,231,368.51 = 7,824,334 : x
  2. Step 2: Convert to fraction form
    13,935,774.28/19,231,368.51 = 7,824,334/x
  3. Step 3: Cross multiply
    13,935,774.28x = 19,231,368.51 × 7,824,334
  4. Step 4: Simplify right side
    13,935,774.28x = 150,472,650,499,322.34
  5. Step 5: Solve for x
    x = 150,472,650,499,322.34/13,935,774.28
  6. Step 6: Final answer
    x = 10,797,580.92

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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.