Home / 30,580,002.64-42,200,391.30-16,828,966.75

Finding the Fourth Proportional to 30,580,002.64, 42,200,391.30 and 16,828,966.75

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Solution

The fourth proportional to 30,580,002.64, 42,200,391.30 and 16,828,966.75 is: 23,223,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580,002.64 : 42,200,391.30 = 16,828,966.75 : x
  2. Step 2: Convert to fraction form
    30,580,002.64/42,200,391.30 = 16,828,966.75/x
  3. Step 3: Cross multiply
    30,580,002.64x = 42,200,391.30 × 16,828,966.75
  4. Step 4: Simplify right side
    30,580,002.64x = 710,188,982,024,689.25
  5. Step 5: Solve for x
    x = 710,188,982,024,689.25/30,580,002.64
  6. Step 6: Final answer
    x = 23,223,967.32

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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.