Home / 12,009,080-18,013,458.53-2,911,256.02

Finding the Fourth Proportional to 12,009,080, 18,013,458.53 and 2,911,256.02

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Solution

The fourth proportional to 12,009,080, 18,013,458.53 and 2,911,256.02 is: 4,366,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,080 : 18,013,458.53 = 2,911,256.02 : x
  2. Step 2: Convert to fraction form
    12,009,080/18,013,458.53 = 2,911,256.02/x
  3. Step 3: Cross multiply
    12,009,080x = 18,013,458.53 × 2,911,256.02
  4. Step 4: Simplify right side
    12,009,080x = 52,441,789,586,482.85
  5. Step 5: Solve for x
    x = 52,441,789,586,482.85/12,009,080
  6. Step 6: Final answer
    x = 4,366,844.89

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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.