Home / 38,848,608.60-58,272,912.90-13,287,341.40

Finding the Fourth Proportional to 38,848,608.60, 58,272,912.90 and 13,287,341.40

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Solution

The fourth proportional to 38,848,608.60, 58,272,912.90 and 13,287,341.40 is: 19,931,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848,608.60 : 58,272,912.90 = 13,287,341.40 : x
  2. Step 2: Convert to fraction form
    38,848,608.60/58,272,912.90 = 13,287,341.40/x
  3. Step 3: Cross multiply
    38,848,608.60x = 58,272,912.90 × 13,287,341.40
  4. Step 4: Simplify right side
    38,848,608.60x = 774,292,088,074,764
  5. Step 5: Solve for x
    x = 774,292,088,074,764/38,848,608.60
  6. Step 6: Final answer
    x = 19,931,012.10

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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.