Home / 30,684,022.52-42,344,967.82-16,746,140.28

Finding the Fourth Proportional to 30,684,022.52, 42,344,967.82 and 16,746,140.28

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Solution

The fourth proportional to 30,684,022.52, 42,344,967.82 and 16,746,140.28 is: 23,110,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,684,022.52 : 42,344,967.82 = 16,746,140.28 : x
  2. Step 2: Convert to fraction form
    30,684,022.52/42,344,967.82 = 16,746,140.28/x
  3. Step 3: Cross multiply
    30,684,022.52x = 42,344,967.82 × 16,746,140.28
  4. Step 4: Simplify right side
    30,684,022.52x = 709,114,771,265,805.75
  5. Step 5: Solve for x
    x = 709,114,771,265,805.75/30,684,022.52
  6. Step 6: Final answer
    x = 23,110,228.48

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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.