Home / 19,928,757.60-29,893,136.40-6,465,585.60

Finding the Fourth Proportional to 19,928,757.60, 29,893,136.40 and 6,465,585.60

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Solution

The fourth proportional to 19,928,757.60, 29,893,136.40 and 6,465,585.60 is: 9,698,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,757.60 : 29,893,136.40 = 6,465,585.60 : x
  2. Step 2: Convert to fraction form
    19,928,757.60/29,893,136.40 = 6,465,585.60/x
  3. Step 3: Cross multiply
    19,928,757.60x = 29,893,136.40 × 6,465,585.60
  4. Step 4: Simplify right side
    19,928,757.60x = 193,276,632,246,675.81
  5. Step 5: Solve for x
    x = 193,276,632,246,675.81/19,928,757.60
  6. Step 6: Final answer
    x = 9,698,378.40

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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.