Home / 13,130,988.15-19,699,139.56-4,611,988.92

Finding the Fourth Proportional to 13,130,988.15, 19,699,139.56 and 4,611,988.92

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Solution

The fourth proportional to 13,130,988.15, 19,699,139.56 and 4,611,988.92 is: 6,918,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130,988.15 : 19,699,139.56 = 4,611,988.92 : x
  2. Step 2: Convert to fraction form
    13,130,988.15/19,699,139.56 = 4,611,988.92/x
  3. Step 3: Cross multiply
    13,130,988.15x = 19,699,139.56 × 4,611,988.92
  4. Step 4: Simplify right side
    13,130,988.15x = 90,852,213,361,193.73
  5. Step 5: Solve for x
    x = 90,852,213,361,193.73/13,130,988.15
  6. Step 6: Final answer
    x = 6,918,916.71

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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.