Home / 27,687,678.42-38,209,783.59-15,465,322.74

Finding the Fourth Proportional to 27,687,678.42, 38,209,783.59 and 15,465,322.74

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Solution

The fourth proportional to 27,687,678.42, 38,209,783.59 and 15,465,322.74 is: 21,342,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687,678.42 : 38,209,783.59 = 15,465,322.74 : x
  2. Step 2: Convert to fraction form
    27,687,678.42/38,209,783.59 = 15,465,322.74/x
  3. Step 3: Cross multiply
    27,687,678.42x = 38,209,783.59 × 15,465,322.74
  4. Step 4: Simplify right side
    27,687,678.42x = 590,926,635,044,905.88
  5. Step 5: Solve for x
    x = 590,926,635,044,905.88/27,687,678.42
  6. Step 6: Final answer
    x = 21,342,585.18

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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.