Home / 30,303,479.28-45,455,218.92-11,125,938.72

Finding the Fourth Proportional to 30,303,479.28, 45,455,218.92 and 11,125,938.72

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Solution

The fourth proportional to 30,303,479.28, 45,455,218.92 and 11,125,938.72 is: 16,688,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303,479.28 : 45,455,218.92 = 11,125,938.72 : x
  2. Step 2: Convert to fraction form
    30,303,479.28/45,455,218.92 = 11,125,938.72/x
  3. Step 3: Cross multiply
    30,303,479.28x = 45,455,218.92 × 11,125,938.72
  4. Step 4: Simplify right side
    30,303,479.28x = 505,731,980,208,104.62
  5. Step 5: Solve for x
    x = 505,731,980,208,104.62/30,303,479.28
  6. Step 6: Final answer
    x = 16,688,908.08

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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.