Home / 21,355,523.40-29,470,613.04-11,565,968.07

Finding the Fourth Proportional to 21,355,523.40, 29,470,613.04 and 11,565,968.07

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Solution

The fourth proportional to 21,355,523.40, 29,470,613.04 and 11,565,968.07 is: 15,961,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,523.40 : 29,470,613.04 = 11,565,968.07 : x
  2. Step 2: Convert to fraction form
    21,355,523.40/29,470,613.04 = 11,565,968.07/x
  3. Step 3: Cross multiply
    21,355,523.40x = 29,470,613.04 × 11,565,968.07
  4. Step 4: Simplify right side
    21,355,523.40x = 340,856,169,423,965.62
  5. Step 5: Solve for x
    x = 340,856,169,423,965.62/21,355,523.40
  6. Step 6: Final answer
    x = 15,961,030.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.