Home / 14,465,111.52-19,961,795.70-7,938,848.28

Finding the Fourth Proportional to 14,465,111.52, 19,961,795.70 and 7,938,848.28

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Solution

The fourth proportional to 14,465,111.52, 19,961,795.70 and 7,938,848.28 is: 10,955,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465,111.52 : 19,961,795.70 = 7,938,848.28 : x
  2. Step 2: Convert to fraction form
    14,465,111.52/19,961,795.70 = 7,938,848.28/x
  3. Step 3: Cross multiply
    14,465,111.52x = 19,961,795.70 × 7,938,848.28
  4. Step 4: Simplify right side
    14,465,111.52x = 158,473,667,458,656.41
  5. Step 5: Solve for x
    x = 158,473,667,458,656.41/14,465,111.52
  6. Step 6: Final answer
    x = 10,955,578.69

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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.