Home / 8,525,307.80-12,776,938.50-6,378,548.60

Finding the Fourth Proportional to 8,525,307.80, 12,776,938.50 and 6,378,548.60

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Solution

The fourth proportional to 8,525,307.80, 12,776,938.50 and 6,378,548.60 is: 9,559,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525,307.80 : 12,776,938.50 = 6,378,548.60 : x
  2. Step 2: Convert to fraction form
    8,525,307.80/12,776,938.50 = 6,378,548.60/x
  3. Step 3: Cross multiply
    8,525,307.80x = 12,776,938.50 × 6,378,548.60
  4. Step 4: Simplify right side
    8,525,307.80x = 81,498,323,181,461.09
  5. Step 5: Solve for x
    x = 81,498,323,181,461.09/8,525,307.80
  6. Step 6: Final answer
    x = 9,559,575.45

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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.