Home / 28,066,901.84-38,732,612.04-16,464,662.64

Finding the Fourth Proportional to 28,066,901.84, 38,732,612.04 and 16,464,662.64

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Solution

The fourth proportional to 28,066,901.84, 38,732,612.04 and 16,464,662.64 is: 22,721,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,901.84 : 38,732,612.04 = 16,464,662.64 : x
  2. Step 2: Convert to fraction form
    28,066,901.84/38,732,612.04 = 16,464,662.64/x
  3. Step 3: Cross multiply
    28,066,901.84x = 38,732,612.04 × 16,464,662.64
  4. Step 4: Simplify right side
    28,066,901.84x = 637,719,390,404,602.25
  5. Step 5: Solve for x
    x = 637,719,390,404,602.25/28,066,901.84
  6. Step 6: Final answer
    x = 22,721,403.10

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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.