Home / 10,403,816.80-15,605,725.20-9,396,047.20

Finding the Fourth Proportional to 10,403,816.80, 15,605,725.20 and 9,396,047.20

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Solution

The fourth proportional to 10,403,816.80, 15,605,725.20 and 9,396,047.20 is: 14,094,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,816.80 : 15,605,725.20 = 9,396,047.20 : x
  2. Step 2: Convert to fraction form
    10,403,816.80/15,605,725.20 = 9,396,047.20/x
  3. Step 3: Cross multiply
    10,403,816.80x = 15,605,725.20 × 9,396,047.20
  4. Step 4: Simplify right side
    10,403,816.80x = 146,632,130,569,429.41
  5. Step 5: Solve for x
    x = 146,632,130,569,429.41/10,403,816.80
  6. Step 6: Final answer
    x = 14,094,070.80

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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.