Home / 28,918,329.60-43,347,228.48-9,742,460.16

Finding the Fourth Proportional to 28,918,329.60, 43,347,228.48 and 9,742,460.16

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Solution

The fourth proportional to 28,918,329.60, 43,347,228.48 and 9,742,460.16 is: 14,603,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918,329.60 : 43,347,228.48 = 9,742,460.16 : x
  2. Step 2: Convert to fraction form
    28,918,329.60/43,347,228.48 = 9,742,460.16/x
  3. Step 3: Cross multiply
    28,918,329.60x = 43,347,228.48 × 9,742,460.16
  4. Step 4: Simplify right side
    28,918,329.60x = 422,308,646,512,817.31
  5. Step 5: Solve for x
    x = 422,308,646,512,817.31/28,918,329.60
  6. Step 6: Final answer
    x = 14,603,493.78

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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.