Home / 12,070,903.40-18,106,355.10-7,276,124.60

Finding the Fourth Proportional to 12,070,903.40, 18,106,355.10 and 7,276,124.60

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Solution

The fourth proportional to 12,070,903.40, 18,106,355.10 and 7,276,124.60 is: 10,914,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,903.40 : 18,106,355.10 = 7,276,124.60 : x
  2. Step 2: Convert to fraction form
    12,070,903.40/18,106,355.10 = 7,276,124.60/x
  3. Step 3: Cross multiply
    12,070,903.40x = 18,106,355.10 × 7,276,124.60
  4. Step 4: Simplify right side
    12,070,903.40x = 131,744,095,759,445.47
  5. Step 5: Solve for x
    x = 131,744,095,759,445.47/12,070,903.40
  6. Step 6: Final answer
    x = 10,914,186.90

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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.