Home / 12,035,536.70-18,010,177.40-10,421,870.90

Finding the Fourth Proportional to 12,035,536.70, 18,010,177.40 and 10,421,870.90

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Solution

The fourth proportional to 12,035,536.70, 18,010,177.40 and 10,421,870.90 is: 15,595,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035,536.70 : 18,010,177.40 = 10,421,870.90 : x
  2. Step 2: Convert to fraction form
    12,035,536.70/18,010,177.40 = 10,421,870.90/x
  3. Step 3: Cross multiply
    12,035,536.70x = 18,010,177.40 × 10,421,870.90
  4. Step 4: Simplify right side
    12,035,536.70x = 187,699,743,684,901.44
  5. Step 5: Solve for x
    x = 187,699,743,684,901.44/12,035,536.70
  6. Step 6: Final answer
    x = 15,595,461.05

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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.