Home / 39,980,995.93-59,977,938.15-12,314,900.55

Finding the Fourth Proportional to 39,980,995.93, 59,977,938.15 and 12,314,900.55

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Solution

The fourth proportional to 39,980,995.93, 59,977,938.15 and 12,314,900.55 is: 18,474,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,980,995.93 : 59,977,938.15 = 12,314,900.55 : x
  2. Step 2: Convert to fraction form
    39,980,995.93/59,977,938.15 = 12,314,900.55/x
  3. Step 3: Cross multiply
    39,980,995.93x = 59,977,938.15 × 12,314,900.55
  4. Step 4: Simplify right side
    39,980,995.93x = 738,622,343,511,301
  5. Step 5: Solve for x
    x = 738,622,343,511,301/39,980,995.93
  6. Step 6: Final answer
    x = 18,474,335.78

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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.