Home / 30,261,453.60-45,392,180.40-15,117,722.40

Finding the Fourth Proportional to 30,261,453.60, 45,392,180.40 and 15,117,722.40

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Solution

The fourth proportional to 30,261,453.60, 45,392,180.40 and 15,117,722.40 is: 22,676,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261,453.60 : 45,392,180.40 = 15,117,722.40 : x
  2. Step 2: Convert to fraction form
    30,261,453.60/45,392,180.40 = 15,117,722.40/x
  3. Step 3: Cross multiply
    30,261,453.60x = 45,392,180.40 × 15,117,722.40
  4. Step 4: Simplify right side
    30,261,453.60x = 686,226,382,417,921
  5. Step 5: Solve for x
    x = 686,226,382,417,921/30,261,453.60
  6. Step 6: Final answer
    x = 22,676,583.60

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1.5x scale

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.