Home / 30,803,632.20-42,495,665.58-18,573,694.92

Finding the Fourth Proportional to 30,803,632.20, 42,495,665.58 and 18,573,694.92

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Solution

The fourth proportional to 30,803,632.20, 42,495,665.58 and 18,573,694.92 is: 25,623,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803,632.20 : 42,495,665.58 = 18,573,694.92 : x
  2. Step 2: Convert to fraction form
    30,803,632.20/42,495,665.58 = 18,573,694.92/x
  3. Step 3: Cross multiply
    30,803,632.20x = 42,495,665.58 × 18,573,694.92
  4. Step 4: Simplify right side
    30,803,632.20x = 789,301,527,905,264.88
  5. Step 5: Solve for x
    x = 789,301,527,905,264.88/30,803,632.20
  6. Step 6: Final answer
    x = 25,623,651.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.