Home / 28,033,200.90-42,049,801.35-19,813,580.10

Finding the Fourth Proportional to 28,033,200.90, 42,049,801.35 and 19,813,580.10

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Solution

The fourth proportional to 28,033,200.90, 42,049,801.35 and 19,813,580.10 is: 29,720,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033,200.90 : 42,049,801.35 = 19,813,580.10 : x
  2. Step 2: Convert to fraction form
    28,033,200.90/42,049,801.35 = 19,813,580.10/x
  3. Step 3: Cross multiply
    28,033,200.90x = 42,049,801.35 × 19,813,580.10
  4. Step 4: Simplify right side
    28,033,200.90x = 833,157,107,237,313.25
  5. Step 5: Solve for x
    x = 833,157,107,237,313.25/28,033,200.90
  6. Step 6: Final answer
    x = 29,720,370.15

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1.5x scale

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.