Home / 20,710,985.90-31,066,462.44-5,564,917.40

Finding the Fourth Proportional to 20,710,985.90, 31,066,462.44 and 5,564,917.40

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Solution

The fourth proportional to 20,710,985.90, 31,066,462.44 and 5,564,917.40 is: 8,347,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,985.90 : 31,066,462.44 = 5,564,917.40 : x
  2. Step 2: Convert to fraction form
    20,710,985.90/31,066,462.44 = 5,564,917.40/x
  3. Step 3: Cross multiply
    20,710,985.90x = 31,066,462.44 × 5,564,917.40
  4. Step 4: Simplify right side
    20,710,985.90x = 172,882,297,388,802.47
  5. Step 5: Solve for x
    x = 172,882,297,388,802.47/20,710,985.90
  6. Step 6: Final answer
    x = 8,347,371.69

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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.