Home / 61,638,840.70-92,456,018.46-18,506,923.30

Finding the Fourth Proportional to 61,638,840.70, 92,456,018.46 and 18,506,923.30

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Solution

The fourth proportional to 61,638,840.70, 92,456,018.46 and 18,506,923.30 is: 27,759,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,638,840.70 : 92,456,018.46 = 18,506,923.30 : x
  2. Step 2: Convert to fraction form
    61,638,840.70/92,456,018.46 = 18,506,923.30/x
  3. Step 3: Cross multiply
    61,638,840.70x = 92,456,018.46 × 18,506,923.30
  4. Step 4: Simplify right side
    61,638,840.70x = 1,711,076,442,262,604
  5. Step 5: Solve for x
    x = 1,711,076,442,262,604/61,638,840.70
  6. Step 6: Final answer
    x = 27,759,711.62

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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.