Home / 12,075,348.85-18,067,316.88-7,154,023.74

Finding the Fourth Proportional to 12,075,348.85, 18,067,316.88 and 7,154,023.74

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Solution

The fourth proportional to 12,075,348.85, 18,067,316.88 and 7,154,023.74 is: 10,703,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,348.85 : 18,067,316.88 = 7,154,023.74 : x
  2. Step 2: Convert to fraction form
    12,075,348.85/18,067,316.88 = 7,154,023.74/x
  3. Step 3: Cross multiply
    12,075,348.85x = 18,067,316.88 × 7,154,023.74
  4. Step 4: Simplify right side
    12,075,348.85x = 129,254,013,877,622.73
  5. Step 5: Solve for x
    x = 129,254,013,877,622.73/12,075,348.85
  6. Step 6: Final answer
    x = 10,703,956.92

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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.