Home / 19,313,409.60-28,970,114.40-7,344,590.40

Finding the Fourth Proportional to 19,313,409.60, 28,970,114.40 and 7,344,590.40

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Solution

The fourth proportional to 19,313,409.60, 28,970,114.40 and 7,344,590.40 is: 11,016,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,409.60 : 28,970,114.40 = 7,344,590.40 : x
  2. Step 2: Convert to fraction form
    19,313,409.60/28,970,114.40 = 7,344,590.40/x
  3. Step 3: Cross multiply
    19,313,409.60x = 28,970,114.40 × 7,344,590.40
  4. Step 4: Simplify right side
    19,313,409.60x = 212,773,624,109,141.75
  5. Step 5: Solve for x
    x = 212,773,624,109,141.75/19,313,409.60
  6. Step 6: Final answer
    x = 11,016,885.60

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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.