Home / 19,478,140.47-29,194,253.69-7,956,499.59

Finding the Fourth Proportional to 19,478,140.47, 29,194,253.69 and 7,956,499.59

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Solution

The fourth proportional to 19,478,140.47, 29,194,253.69 and 7,956,499.59 is: 11,925,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478,140.47 : 29,194,253.69 = 7,956,499.59 : x
  2. Step 2: Convert to fraction form
    19,478,140.47/29,194,253.69 = 7,956,499.59/x
  3. Step 3: Cross multiply
    19,478,140.47x = 29,194,253.69 × 7,956,499.59
  4. Step 4: Simplify right side
    19,478,140.47x = 232,284,067,475,058.47
  5. Step 5: Solve for x
    x = 232,284,067,475,058.47/19,478,140.47
  6. Step 6: Final answer
    x = 11,925,371.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.