Home / 8,806,871.40-13,210,307.10-6,405,642.60

Finding the Fourth Proportional to 8,806,871.40, 13,210,307.10 and 6,405,642.60

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Solution

The fourth proportional to 8,806,871.40, 13,210,307.10 and 6,405,642.60 is: 9,608,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,871.40 : 13,210,307.10 = 6,405,642.60 : x
  2. Step 2: Convert to fraction form
    8,806,871.40/13,210,307.10 = 6,405,642.60/x
  3. Step 3: Cross multiply
    8,806,871.40x = 13,210,307.10 × 6,405,642.60
  4. Step 4: Simplify right side
    8,806,871.40x = 84,620,505,918,842.45
  5. Step 5: Solve for x
    x = 84,620,505,918,842.45/8,806,871.40
  6. Step 6: Final answer
    x = 9,608,463.90

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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.