Home / 42,706,674.90-64,053,791.55-12,411,378.90

Finding the Fourth Proportional to 42,706,674.90, 64,053,791.55 and 12,411,378.90

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Solution

The fourth proportional to 42,706,674.90, 64,053,791.55 and 12,411,378.90 is: 18,615,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,706,674.90 : 64,053,791.55 = 12,411,378.90 : x
  2. Step 2: Convert to fraction form
    42,706,674.90/64,053,791.55 = 12,411,378.90/x
  3. Step 3: Cross multiply
    42,706,674.90x = 64,053,791.55 × 12,411,378.90
  4. Step 4: Simplify right side
    42,706,674.90x = 794,995,876,908,668.25
  5. Step 5: Solve for x
    x = 794,995,876,908,668.25/42,706,674.90
  6. Step 6: Final answer
    x = 18,615,260.47

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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.