Home / 41,272,929.20-61,893,647.40-12,509,505.20

Finding the Fourth Proportional to 41,272,929.20, 61,893,647.40 and 12,509,505.20

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Solution

The fourth proportional to 41,272,929.20, 61,893,647.40 and 12,509,505.20 is: 18,759,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,272,929.20 : 61,893,647.40 = 12,509,505.20 : x
  2. Step 2: Convert to fraction form
    41,272,929.20/61,893,647.40 = 12,509,505.20/x
  3. Step 3: Cross multiply
    41,272,929.20x = 61,893,647.40 × 12,509,505.20
  4. Step 4: Simplify right side
    41,272,929.20x = 774,258,903,997,266.38
  5. Step 5: Solve for x
    x = 774,258,903,997,266.38/41,272,929.20
  6. Step 6: Final answer
    x = 18,759,485.19

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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.