Home / 10,018,875.61-15,018,963.96-3,953,657.56

Finding the Fourth Proportional to 10,018,875.61, 15,018,963.96 and 3,953,657.56

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Solution

The fourth proportional to 10,018,875.61, 15,018,963.96 and 3,953,657.56 is: 5,926,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,875.61 : 15,018,963.96 = 3,953,657.56 : x
  2. Step 2: Convert to fraction form
    10,018,875.61/15,018,963.96 = 3,953,657.56/x
  3. Step 3: Cross multiply
    10,018,875.61x = 15,018,963.96 × 3,953,657.56
  4. Step 4: Simplify right side
    10,018,875.61x = 59,379,840,403,821.54
  5. Step 5: Solve for x
    x = 59,379,840,403,821.54/10,018,875.61
  6. Step 6: Final answer
    x = 5,926,796.85

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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.