Home / 38,411,807.24-53,007,549.06-21,008,098.60

Finding the Fourth Proportional to 38,411,807.24, 53,007,549.06 and 21,008,098.60

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Solution

The fourth proportional to 38,411,807.24, 53,007,549.06 and 21,008,098.60 is: 28,990,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411,807.24 : 53,007,549.06 = 21,008,098.60 : x
  2. Step 2: Convert to fraction form
    38,411,807.24/53,007,549.06 = 21,008,098.60/x
  3. Step 3: Cross multiply
    38,411,807.24x = 53,007,549.06 × 21,008,098.60
  4. Step 4: Simplify right side
    38,411,807.24x = 1,113,587,817,196,817.50
  5. Step 5: Solve for x
    x = 1,113,587,817,196,817.50/38,411,807.24
  6. Step 6: Final answer
    x = 28,990,768.65

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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.