Home / 34,578,041.72-47,717,846.35-18,897,387.80

Finding the Fourth Proportional to 34,578,041.72, 47,717,846.35 and 18,897,387.80

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Solution

The fourth proportional to 34,578,041.72, 47,717,846.35 and 18,897,387.80 is: 26,078,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,578,041.72 : 47,717,846.35 = 18,897,387.80 : x
  2. Step 2: Convert to fraction form
    34,578,041.72/47,717,846.35 = 18,897,387.80/x
  3. Step 3: Cross multiply
    34,578,041.72x = 47,717,846.35 × 18,897,387.80
  4. Step 4: Simplify right side
    34,578,041.72x = 901,742,647,170,931.88
  5. Step 5: Solve for x
    x = 901,742,647,170,931.88/34,578,041.72
  6. Step 6: Final answer
    x = 26,078,476.47

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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.