Home / 12,477,838.67-17,219,100.13-6,971,254.88

Finding the Fourth Proportional to 12,477,838.67, 17,219,100.13 and 6,971,254.88

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Solution

The fourth proportional to 12,477,838.67, 17,219,100.13 and 6,971,254.88 is: 9,620,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,838.67 : 17,219,100.13 = 6,971,254.88 : x
  2. Step 2: Convert to fraction form
    12,477,838.67/17,219,100.13 = 6,971,254.88/x
  3. Step 3: Cross multiply
    12,477,838.67x = 17,219,100.13 × 6,971,254.88
  4. Step 4: Simplify right side
    12,477,838.67x = 120,038,735,747,119.11
  5. Step 5: Solve for x
    x = 120,038,735,747,119.11/12,477,838.67
  6. Step 6: Final answer
    x = 9,620,154.50

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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.