Home / 9,247,385.60-13,854,489.60-7,920,281.60

Finding the Fourth Proportional to 9,247,385.60, 13,854,489.60 and 7,920,281.60

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Solution

The fourth proportional to 9,247,385.60, 13,854,489.60 and 7,920,281.60 is: 11,866,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247,385.60 : 13,854,489.60 = 7,920,281.60 : x
  2. Step 2: Convert to fraction form
    9,247,385.60/13,854,489.60 = 7,920,281.60/x
  3. Step 3: Cross multiply
    9,247,385.60x = 13,854,489.60 × 7,920,281.60
  4. Step 4: Simplify right side
    9,247,385.60x = 109,731,459,056,271.36
  5. Step 5: Solve for x
    x = 109,731,459,056,271.36/9,247,385.60
  6. Step 6: Final answer
    x = 11,866,214.28

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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.