Home / 7,803,681.87-11,706,644.40-2,412,752.64

Finding the Fourth Proportional to 7,803,681.87, 11,706,644.40 and 2,412,752.64

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Solution

The fourth proportional to 7,803,681.87, 11,706,644.40 and 2,412,752.64 is: 3,619,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803,681.87 : 11,706,644.40 = 2,412,752.64 : x
  2. Step 2: Convert to fraction form
    7,803,681.87/11,706,644.40 = 2,412,752.64/x
  3. Step 3: Cross multiply
    7,803,681.87x = 11,706,644.40 × 2,412,752.64
  4. Step 4: Simplify right side
    7,803,681.87x = 28,245,237,181,641.22
  5. Step 5: Solve for x
    x = 28,245,237,181,641.22/7,803,681.87
  6. Step 6: Final answer
    x = 3,619,475.74

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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.