Home / 12,329,567.64-18,501,657.75-6,869,232.81

Finding the Fourth Proportional to 12,329,567.64, 18,501,657.75 and 6,869,232.81

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Solution

The fourth proportional to 12,329,567.64, 18,501,657.75 and 6,869,232.81 is: 10,307,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329,567.64 : 18,501,657.75 = 6,869,232.81 : x
  2. Step 2: Convert to fraction form
    12,329,567.64/18,501,657.75 = 6,869,232.81/x
  3. Step 3: Cross multiply
    12,329,567.64x = 18,501,657.75 × 6,869,232.81
  4. Step 4: Simplify right side
    12,329,567.64x = 127,092,194,455,690.77
  5. Step 5: Solve for x
    x = 127,092,194,455,690.77/12,329,567.64
  6. Step 6: Final answer
    x = 10,307,919.80

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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.