Home / 7,776,300.60-11,644,038.90-5,489,476.20

Finding the Fourth Proportional to 7,776,300.60, 11,644,038.90 and 5,489,476.20

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Solution

The fourth proportional to 7,776,300.60, 11,644,038.90 and 5,489,476.20 is: 8,219,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,300.60 : 11,644,038.90 = 5,489,476.20 : x
  2. Step 2: Convert to fraction form
    7,776,300.60/11,644,038.90 = 5,489,476.20/x
  3. Step 3: Cross multiply
    7,776,300.60x = 11,644,038.90 × 5,489,476.20
  4. Step 4: Simplify right side
    7,776,300.60x = 63,919,674,413,424.19
  5. Step 5: Solve for x
    x = 63,919,674,413,424.19/7,776,300.60
  6. Step 6: Final answer
    x = 8,219,804.98

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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.