Home / 38,858,420.60-58,287,630.90-11,928,577.40

Finding the Fourth Proportional to 38,858,420.60, 58,287,630.90 and 11,928,577.40

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Solution

The fourth proportional to 38,858,420.60, 58,287,630.90 and 11,928,577.40 is: 17,892,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858,420.60 : 58,287,630.90 = 11,928,577.40 : x
  2. Step 2: Convert to fraction form
    38,858,420.60/58,287,630.90 = 11,928,577.40/x
  3. Step 3: Cross multiply
    38,858,420.60x = 58,287,630.90 × 11,928,577.40
  4. Step 4: Simplify right side
    38,858,420.60x = 695,288,516,653,281.62
  5. Step 5: Solve for x
    x = 695,288,516,653,281.62/38,858,420.60
  6. Step 6: Final answer
    x = 17,892,866.10

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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.