Home / 28,588,604.40-42,891,323.72-10,392,512.90

Finding the Fourth Proportional to 28,588,604.40, 42,891,323.72 and 10,392,512.90

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Solution

The fourth proportional to 28,588,604.40, 42,891,323.72 and 10,392,512.90 is: 15,591,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588,604.40 : 42,891,323.72 = 10,392,512.90 : x
  2. Step 2: Convert to fraction form
    28,588,604.40/42,891,323.72 = 10,392,512.90/x
  3. Step 3: Cross multiply
    28,588,604.40x = 42,891,323.72 × 10,392,512.90
  4. Step 4: Simplify right side
    28,588,604.40x = 445,748,634,791,756.81
  5. Step 5: Solve for x
    x = 445,748,634,791,756.81/28,588,604.40
  6. Step 6: Final answer
    x = 15,591,829.13

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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.