Home / 19,763,965.20-29,645,947.80-19,575,008.40

Finding the Fourth Proportional to 19,763,965.20, 29,645,947.80 and 19,575,008.40

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Solution

The fourth proportional to 19,763,965.20, 29,645,947.80 and 19,575,008.40 is: 29,362,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763,965.20 : 29,645,947.80 = 19,575,008.40 : x
  2. Step 2: Convert to fraction form
    19,763,965.20/29,645,947.80 = 19,575,008.40/x
  3. Step 3: Cross multiply
    19,763,965.20x = 29,645,947.80 × 19,575,008.40
  4. Step 4: Simplify right side
    19,763,965.20x = 580,319,677,210,961.50
  5. Step 5: Solve for x
    x = 580,319,677,210,961.50/19,763,965.20
  6. Step 6: Final answer
    x = 29,362,512.60

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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.