Home / 30,421,339.92-45,601,304.34-19,069,760.16

Finding the Fourth Proportional to 30,421,339.92, 45,601,304.34 and 19,069,760.16

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Solution

The fourth proportional to 30,421,339.92, 45,601,304.34 and 19,069,760.16 is: 28,585,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421,339.92 : 45,601,304.34 = 19,069,760.16 : x
  2. Step 2: Convert to fraction form
    30,421,339.92/45,601,304.34 = 19,069,760.16/x
  3. Step 3: Cross multiply
    30,421,339.92x = 45,601,304.34 × 19,069,760.16
  4. Step 4: Simplify right side
    30,421,339.92x = 869,605,936,746,967.12
  5. Step 5: Solve for x
    x = 869,605,936,746,967.12/30,421,339.92
  6. Step 6: Final answer
    x = 28,585,392.33

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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.