Home / 42,363,645.36-63,566,929.80-19,332,027.60

Finding the Fourth Proportional to 42,363,645.36, 63,566,929.80 and 19,332,027.60

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Solution

The fourth proportional to 42,363,645.36, 63,566,929.80 and 19,332,027.60 is: 29,007,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,363,645.36 : 63,566,929.80 = 19,332,027.60 : x
  2. Step 2: Convert to fraction form
    42,363,645.36/63,566,929.80 = 19,332,027.60/x
  3. Step 3: Cross multiply
    42,363,645.36x = 63,566,929.80 × 19,332,027.60
  4. Step 4: Simplify right side
    42,363,645.36x = 1,228,877,641,340,862.50
  5. Step 5: Solve for x
    x = 1,228,877,641,340,862.50/42,363,645.36
  6. Step 6: Final answer
    x = 29,007,835.16

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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.