Home / 12,871,205.60-19,294,520.40-4,782,015.20

Finding the Fourth Proportional to 12,871,205.60, 19,294,520.40 and 4,782,015.20

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Solution

The fourth proportional to 12,871,205.60, 19,294,520.40 and 4,782,015.20 is: 7,168,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,205.60 : 19,294,520.40 = 4,782,015.20 : x
  2. Step 2: Convert to fraction form
    12,871,205.60/19,294,520.40 = 4,782,015.20/x
  3. Step 3: Cross multiply
    12,871,205.60x = 19,294,520.40 × 4,782,015.20
  4. Step 4: Simplify right side
    12,871,205.60x = 92,266,689,829,510.08
  5. Step 5: Solve for x
    x = 92,266,689,829,510.08/12,871,205.60
  6. Step 6: Final answer
    x = 7,168,457.46

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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.