Home / 38,674,077.60-57,948,130.80-28,470,410.40

Finding the Fourth Proportional to 38,674,077.60, 57,948,130.80 and 28,470,410.40

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Solution

The fourth proportional to 38,674,077.60, 57,948,130.80 and 28,470,410.40 is: 42,659,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,674,077.60 : 57,948,130.80 = 28,470,410.40 : x
  2. Step 2: Convert to fraction form
    38,674,077.60/57,948,130.80 = 28,470,410.40/x
  3. Step 3: Cross multiply
    38,674,077.60x = 57,948,130.80 × 28,470,410.40
  4. Step 4: Simplify right side
    38,674,077.60x = 1,649,807,065,788,880.25
  5. Step 5: Solve for x
    x = 1,649,807,065,788,880.25/38,674,077.60
  6. Step 6: Final answer
    x = 42,659,247.96

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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.