Home / 9,871,663.80-14,813,025.30-4,190,921.40

Finding the Fourth Proportional to 9,871,663.80, 14,813,025.30 and 4,190,921.40

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Solution

The fourth proportional to 9,871,663.80, 14,813,025.30 and 4,190,921.40 is: 6,288,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,663.80 : 14,813,025.30 = 4,190,921.40 : x
  2. Step 2: Convert to fraction form
    9,871,663.80/14,813,025.30 = 4,190,921.40/x
  3. Step 3: Cross multiply
    9,871,663.80x = 14,813,025.30 × 4,190,921.40
  4. Step 4: Simplify right side
    9,871,663.80x = 62,080,224,728,511.42
  5. Step 5: Solve for x
    x = 62,080,224,728,511.42/9,871,663.80
  6. Step 6: Final answer
    x = 6,288,729.64

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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.