Home / 20,433,533.81-28,175,368.02-16,700,781.27

Finding the Fourth Proportional to 20,433,533.81, 28,175,368.02 and 16,700,781.27

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Solution

The fourth proportional to 20,433,533.81, 28,175,368.02 and 16,700,781.27 is: 23,028,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,533.81 : 28,175,368.02 = 16,700,781.27 : x
  2. Step 2: Convert to fraction form
    20,433,533.81/28,175,368.02 = 16,700,781.27/x
  3. Step 3: Cross multiply
    20,433,533.81x = 28,175,368.02 × 16,700,781.27
  4. Step 4: Simplify right side
    20,433,533.81x = 470,550,658,388,316.19
  5. Step 5: Solve for x
    x = 470,550,658,388,316.19/20,433,533.81
  6. Step 6: Final answer
    x = 23,028,354.41

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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.