Home / 13,285,989.40-19,928,984.10-6,567,525.40

Finding the Fourth Proportional to 13,285,989.40, 19,928,984.10 and 6,567,525.40

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Solution

The fourth proportional to 13,285,989.40, 19,928,984.10 and 6,567,525.40 is: 9,851,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,989.40 : 19,928,984.10 = 6,567,525.40 : x
  2. Step 2: Convert to fraction form
    13,285,989.40/19,928,984.10 = 6,567,525.40/x
  3. Step 3: Cross multiply
    13,285,989.40x = 19,928,984.10 × 6,567,525.40
  4. Step 4: Simplify right side
    13,285,989.40x = 130,884,109,272,946.16
  5. Step 5: Solve for x
    x = 130,884,109,272,946.16/13,285,989.40
  6. Step 6: Final answer
    x = 9,851,288.10

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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.