Home / 7,777,807.60-11,666,711.40-4,941,122.80

Finding the Fourth Proportional to 7,777,807.60, 11,666,711.40 and 4,941,122.80

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Solution

The fourth proportional to 7,777,807.60, 11,666,711.40 and 4,941,122.80 is: 7,411,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,807.60 : 11,666,711.40 = 4,941,122.80 : x
  2. Step 2: Convert to fraction form
    7,777,807.60/11,666,711.40 = 4,941,122.80/x
  3. Step 3: Cross multiply
    7,777,807.60x = 11,666,711.40 × 4,941,122.80
  4. Step 4: Simplify right side
    7,777,807.60x = 57,646,653,699,559.92
  5. Step 5: Solve for x
    x = 57,646,653,699,559.92/7,777,807.60
  6. Step 6: Final answer
    x = 7,411,684.20

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Similar ratio
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1.5x scale

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.