Home / 30,677,959.52-42,336,470-16,927,809.36

Finding the Fourth Proportional to 30,677,959.52, 42,336,470 and 16,927,809.36

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Solution

The fourth proportional to 30,677,959.52, 42,336,470 and 16,927,809.36 is: 23,360,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677,959.52 : 42,336,470 = 16,927,809.36 : x
  2. Step 2: Convert to fraction form
    30,677,959.52/42,336,470 = 16,927,809.36/x
  3. Step 3: Cross multiply
    30,677,959.52x = 42,336,470 × 16,927,809.36
  4. Step 4: Simplify right side
    30,677,959.52x = 716,663,693,135,359.12
  5. Step 5: Solve for x
    x = 716,663,693,135,359.12/30,677,959.52
  6. Step 6: Final answer
    x = 23,360,865.73

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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.