Home / 42,464,758.78-63,696,497.17-19,105,005.77

Finding the Fourth Proportional to 42,464,758.78, 63,696,497.17 and 19,105,005.77

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Solution

The fourth proportional to 42,464,758.78, 63,696,497.17 and 19,105,005.77 is: 28,657,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,464,758.78 : 63,696,497.17 = 19,105,005.77 : x
  2. Step 2: Convert to fraction form
    42,464,758.78/63,696,497.17 = 19,105,005.77/x
  3. Step 3: Cross multiply
    42,464,758.78x = 63,696,497.17 × 19,105,005.77
  4. Step 4: Simplify right side
    42,464,758.78x = 1,216,921,945,961,638.75
  5. Step 5: Solve for x
    x = 1,216,921,945,961,638.75/42,464,758.78
  6. Step 6: Final answer
    x = 28,657,220.27

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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.