Home / 8,748,539.20-13,122,808.80-7,709,276.80

Finding the Fourth Proportional to 8,748,539.20, 13,122,808.80 and 7,709,276.80

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Solution

The fourth proportional to 8,748,539.20, 13,122,808.80 and 7,709,276.80 is: 11,563,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,539.20 : 13,122,808.80 = 7,709,276.80 : x
  2. Step 2: Convert to fraction form
    8,748,539.20/13,122,808.80 = 7,709,276.80/x
  3. Step 3: Cross multiply
    8,748,539.20x = 13,122,808.80 × 7,709,276.80
  4. Step 4: Simplify right side
    8,748,539.20x = 101,167,365,432,675.84
  5. Step 5: Solve for x
    x = 101,167,365,432,675.84/8,748,539.20
  6. Step 6: Final answer
    x = 11,563,915.20

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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.