Home / 12,445,344.77-18,651,089.70-7,330,126.73

Finding the Fourth Proportional to 12,445,344.77, 18,651,089.70 and 7,330,126.73

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Solution

The fourth proportional to 12,445,344.77, 18,651,089.70 and 7,330,126.73 is: 10,985,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,344.77 : 18,651,089.70 = 7,330,126.73 : x
  2. Step 2: Convert to fraction form
    12,445,344.77/18,651,089.70 = 7,330,126.73/x
  3. Step 3: Cross multiply
    12,445,344.77x = 18,651,089.70 × 7,330,126.73
  4. Step 4: Simplify right side
    12,445,344.77x = 136,714,851,060,342.22
  5. Step 5: Solve for x
    x = 136,714,851,060,342.22/12,445,344.77
  6. Step 6: Final answer
    x = 10,985,220.07

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1.5x scale

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.