Home / 14,365,615.38-19,824,967.90-7,839,665.18

Finding the Fourth Proportional to 14,365,615.38, 19,824,967.90 and 7,839,665.18

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Solution

The fourth proportional to 14,365,615.38, 19,824,967.90 and 7,839,665.18 is: 10,818,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,615.38 : 19,824,967.90 = 7,839,665.18 : x
  2. Step 2: Convert to fraction form
    14,365,615.38/19,824,967.90 = 7,839,665.18/x
  3. Step 3: Cross multiply
    14,365,615.38x = 19,824,967.90 × 7,839,665.18
  4. Step 4: Simplify right side
    14,365,615.38x = 155,421,110,540,247.72
  5. Step 5: Solve for x
    x = 155,421,110,540,247.72/14,365,615.38
  6. Step 6: Final answer
    x = 10,818,966.43

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1.5x scale

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.