Home / 38,029,854.20-52,482,386.82-21,509,655.50

Finding the Fourth Proportional to 38,029,854.20, 52,482,386.82 and 21,509,655.50

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Solution

The fourth proportional to 38,029,854.20, 52,482,386.82 and 21,509,655.50 is: 29,683,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,029,854.20 : 52,482,386.82 = 21,509,655.50 : x
  2. Step 2: Convert to fraction form
    38,029,854.20/52,482,386.82 = 21,509,655.50/x
  3. Step 3: Cross multiply
    38,029,854.20x = 52,482,386.82 × 21,509,655.50
  4. Step 4: Simplify right side
    38,029,854.20x = 1,128,878,060,315,940.50
  5. Step 5: Solve for x
    x = 1,128,878,060,315,940.50/38,029,854.20
  6. Step 6: Final answer
    x = 29,683,996.54

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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.