Home / 8,581,312.80-12,871,969.20-4,536,237.60

Finding the Fourth Proportional to 8,581,312.80, 12,871,969.20 and 4,536,237.60

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Solution

The fourth proportional to 8,581,312.80, 12,871,969.20 and 4,536,237.60 is: 6,804,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,312.80 : 12,871,969.20 = 4,536,237.60 : x
  2. Step 2: Convert to fraction form
    8,581,312.80/12,871,969.20 = 4,536,237.60/x
  3. Step 3: Cross multiply
    8,581,312.80x = 12,871,969.20 × 4,536,237.60
  4. Step 4: Simplify right side
    8,581,312.80x = 58,390,310,671,081.91
  5. Step 5: Solve for x
    x = 58,390,310,671,081.91/8,581,312.80
  6. Step 6: Final answer
    x = 6,804,356.40

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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.