Home / 27,680,670.84-38,191,655.28-15,919,298.04

Finding the Fourth Proportional to 27,680,670.84, 38,191,655.28 and 15,919,298.04

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Solution

The fourth proportional to 27,680,670.84, 38,191,655.28 and 15,919,298.04 is: 21,964,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,670.84 : 38,191,655.28 = 15,919,298.04 : x
  2. Step 2: Convert to fraction form
    27,680,670.84/38,191,655.28 = 15,919,298.04/x
  3. Step 3: Cross multiply
    27,680,670.84x = 38,191,655.28 × 15,919,298.04
  4. Step 4: Simplify right side
    27,680,670.84x = 607,984,343,043,259.62
  5. Step 5: Solve for x
    x = 607,984,343,043,259.62/27,680,670.84
  6. Step 6: Final answer
    x = 21,964,219.96

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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.