Home / 28,918,345.60-43,347,252.48-9,742,476.16

Finding the Fourth Proportional to 28,918,345.60, 43,347,252.48 and 9,742,476.16

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Solution

The fourth proportional to 28,918,345.60, 43,347,252.48 and 9,742,476.16 is: 14,603,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918,345.60 : 43,347,252.48 = 9,742,476.16 : x
  2. Step 2: Convert to fraction form
    28,918,345.60/43,347,252.48 = 9,742,476.16/x
  3. Step 3: Cross multiply
    28,918,345.60x = 43,347,252.48 × 9,742,476.16
  4. Step 4: Simplify right side
    28,918,345.60x = 422,309,573,887,900.88
  5. Step 5: Solve for x
    x = 422,309,573,887,900.88/28,918,345.60
  6. Step 6: Final answer
    x = 14,603,517.77

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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.