Home / 28,186,579.20-42,261,206.40-10,233,350.40

Finding the Fourth Proportional to 28,186,579.20, 42,261,206.40 and 10,233,350.40

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Solution

The fourth proportional to 28,186,579.20, 42,261,206.40 and 10,233,350.40 is: 15,343,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186,579.20 : 42,261,206.40 = 10,233,350.40 : x
  2. Step 2: Convert to fraction form
    28,186,579.20/42,261,206.40 = 10,233,350.40/x
  3. Step 3: Cross multiply
    28,186,579.20x = 42,261,206.40 × 10,233,350.40
  4. Step 4: Simplify right side
    28,186,579.20x = 432,473,733,417,922.56
  5. Step 5: Solve for x
    x = 432,473,733,417,922.56/28,186,579.20
  6. Step 6: Final answer
    x = 15,343,250.07

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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.