Home / 12,249,989.03-16,905,199.87-6,668,396.04

Finding the Fourth Proportional to 12,249,989.03, 16,905,199.87 and 6,668,396.04

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Solution

The fourth proportional to 12,249,989.03, 16,905,199.87 and 6,668,396.04 is: 9,202,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,989.03 : 16,905,199.87 = 6,668,396.04 : x
  2. Step 2: Convert to fraction form
    12,249,989.03/16,905,199.87 = 6,668,396.04/x
  3. Step 3: Cross multiply
    12,249,989.03x = 16,905,199.87 × 6,668,396.04
  4. Step 4: Simplify right side
    12,249,989.03x = 112,730,567,851,845.52
  5. Step 5: Solve for x
    x = 112,730,567,851,845.52/12,249,989.03
  6. Step 6: Final answer
    x = 9,202,503.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.