Home / 9,871,904.70-14,807,857.05-3,140,999.10

Finding the Fourth Proportional to 9,871,904.70, 14,807,857.05 and 3,140,999.10

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Solution

The fourth proportional to 9,871,904.70, 14,807,857.05 and 3,140,999.10 is: 4,711,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,904.70 : 14,807,857.05 = 3,140,999.10 : x
  2. Step 2: Convert to fraction form
    9,871,904.70/14,807,857.05 = 3,140,999.10/x
  3. Step 3: Cross multiply
    9,871,904.70x = 14,807,857.05 × 3,140,999.10
  4. Step 4: Simplify right side
    9,871,904.70x = 46,511,465,666,978.66
  5. Step 5: Solve for x
    x = 46,511,465,666,978.66/9,871,904.70
  6. Step 6: Final answer
    x = 4,711,498.65

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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.