Home / 30,271,871.58-45,421,979.10-13,230,330.18

Finding the Fourth Proportional to 30,271,871.58, 45,421,979.10 and 13,230,330.18

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Solution

The fourth proportional to 30,271,871.58, 45,421,979.10 and 13,230,330.18 is: 19,851,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,871.58 : 45,421,979.10 = 13,230,330.18 : x
  2. Step 2: Convert to fraction form
    30,271,871.58/45,421,979.10 = 13,230,330.18/x
  3. Step 3: Cross multiply
    30,271,871.58x = 45,421,979.10 × 13,230,330.18
  4. Step 4: Simplify right side
    30,271,871.58x = 600,947,780,922,059.25
  5. Step 5: Solve for x
    x = 600,947,780,922,059.25/30,271,871.58
  6. Step 6: Final answer
    x = 19,851,689.03

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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.