Home / 30,645,609.71-42,291,230.37-16,895,065.91

Finding the Fourth Proportional to 30,645,609.71, 42,291,230.37 and 16,895,065.91

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Solution

The fourth proportional to 30,645,609.71, 42,291,230.37 and 16,895,065.91 is: 23,315,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,609.71 : 42,291,230.37 = 16,895,065.91 : x
  2. Step 2: Convert to fraction form
    30,645,609.71/42,291,230.37 = 16,895,065.91/x
  3. Step 3: Cross multiply
    30,645,609.71x = 42,291,230.37 × 16,895,065.91
  4. Step 4: Simplify right side
    30,645,609.71x = 714,513,124,516,143.62
  5. Step 5: Solve for x
    x = 714,513,124,516,143.62/30,645,609.71
  6. Step 6: Final answer
    x = 23,315,350.27

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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.