Home / 12,154,541,080.75-18,252,676,013.24-7,460,427,312.12

Finding the Fourth Proportional to 12,154,541,080.75, 18,252,676,013.24 and 7,460,427,312.12

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Solution

The fourth proportional to 12,154,541,080.75, 18,252,676,013.24 and 7,460,427,312.12 is: 11,203,447,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,541,080.75 : 18,252,676,013.24 = 7,460,427,312.12 : x
  2. Step 2: Convert to fraction form
    12,154,541,080.75/18,252,676,013.24 = 7,460,427,312.12/x
  3. Step 3: Cross multiply
    12,154,541,080.75x = 18,252,676,013.24 × 7,460,427,312.12
  4. Step 4: Simplify right side
    12,154,541,080.75x = 136,172,762,648,453,300,224
  5. Step 5: Solve for x
    x = 136,172,762,648,453,300,224/12,154,541,080.75
  6. Step 6: Final answer
    x = 11,203,447,480.56

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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.