Home / 12,946,677.73-17,866,327.24-7,145,459.35

Finding the Fourth Proportional to 12,946,677.73, 17,866,327.24 and 7,145,459.35

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Solution

The fourth proportional to 12,946,677.73, 17,866,327.24 and 7,145,459.35 is: 9,860,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,677.73 : 17,866,327.24 = 7,145,459.35 : x
  2. Step 2: Convert to fraction form
    12,946,677.73/17,866,327.24 = 7,145,459.35/x
  3. Step 3: Cross multiply
    12,946,677.73x = 17,866,327.24 × 7,145,459.35
  4. Step 4: Simplify right side
    12,946,677.73x = 127,663,114,991,483.70
  5. Step 5: Solve for x
    x = 127,663,114,991,483.70/12,946,677.73
  6. Step 6: Final answer
    x = 9,860,685.32

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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.