Home / 21,066,470.61-31,599,705.87-5,920,402.11

Finding the Fourth Proportional to 21,066,470.61, 31,599,705.87 and 5,920,402.11

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Solution

The fourth proportional to 21,066,470.61, 31,599,705.87 and 5,920,402.11 is: 8,880,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,470.61 : 31,599,705.87 = 5,920,402.11 : x
  2. Step 2: Convert to fraction form
    21,066,470.61/31,599,705.87 = 5,920,402.11/x
  3. Step 3: Cross multiply
    21,066,470.61x = 31,599,705.87 × 5,920,402.11
  4. Step 4: Simplify right side
    21,066,470.61x = 187,082,965,308,127.41
  5. Step 5: Solve for x
    x = 187,082,965,308,127.41/21,066,470.61
  6. Step 6: Final answer
    x = 8,880,603.15

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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.