Home / 10,389,812.40-15,584,718.60-6,563,437.20

Finding the Fourth Proportional to 10,389,812.40, 15,584,718.60 and 6,563,437.20

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Solution

The fourth proportional to 10,389,812.40, 15,584,718.60 and 6,563,437.20 is: 9,845,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,812.40 : 15,584,718.60 = 6,563,437.20 : x
  2. Step 2: Convert to fraction form
    10,389,812.40/15,584,718.60 = 6,563,437.20/x
  3. Step 3: Cross multiply
    10,389,812.40x = 15,584,718.60 × 6,563,437.20
  4. Step 4: Simplify right side
    10,389,812.40x = 102,289,321,810,771.92
  5. Step 5: Solve for x
    x = 102,289,321,810,771.92/10,389,812.40
  6. Step 6: Final answer
    x = 9,845,155.80

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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.