Home / 10,136,671.96-13,988,955.36-5,552,992.12

Finding the Fourth Proportional to 10,136,671.96, 13,988,955.36 and 5,552,992.12

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Solution

The fourth proportional to 10,136,671.96, 13,988,955.36 and 5,552,992.12 is: 7,663,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,671.96 : 13,988,955.36 = 5,552,992.12 : x
  2. Step 2: Convert to fraction form
    10,136,671.96/13,988,955.36 = 5,552,992.12/x
  3. Step 3: Cross multiply
    10,136,671.96x = 13,988,955.36 × 5,552,992.12
  4. Step 4: Simplify right side
    10,136,671.96x = 77,680,558,881,111.77
  5. Step 5: Solve for x
    x = 77,680,558,881,111.77/10,136,671.96
  6. Step 6: Final answer
    x = 7,663,319.79

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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.