Home / 13,285,430.40-19,928,145.60-6,566,966.40

Finding the Fourth Proportional to 13,285,430.40, 19,928,145.60 and 6,566,966.40

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Solution

The fourth proportional to 13,285,430.40, 19,928,145.60 and 6,566,966.40 is: 9,850,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,430.40 : 19,928,145.60 = 6,566,966.40 : x
  2. Step 2: Convert to fraction form
    13,285,430.40/19,928,145.60 = 6,566,966.40/x
  3. Step 3: Cross multiply
    13,285,430.40x = 19,928,145.60 × 6,566,966.40
  4. Step 4: Simplify right side
    13,285,430.40x = 130,867,462,569,507.86
  5. Step 5: Solve for x
    x = 130,867,462,569,507.86/13,285,430.40
  6. Step 6: Final answer
    x = 9,850,449.60

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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.