Home / 47,320,708.80-70,991,328-14,531,390.40

Finding the Fourth Proportional to 47,320,708.80, 70,991,328 and 14,531,390.40

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Solution

The fourth proportional to 47,320,708.80, 70,991,328 and 14,531,390.40 is: 21,800,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320,708.80 : 70,991,328 = 14,531,390.40 : x
  2. Step 2: Convert to fraction form
    47,320,708.80/70,991,328 = 14,531,390.40/x
  3. Step 3: Cross multiply
    47,320,708.80x = 70,991,328 × 14,531,390.40
  4. Step 4: Simplify right side
    47,320,708.80x = 1,031,602,702,182,451.25
  5. Step 5: Solve for x
    x = 1,031,602,702,182,451.25/47,320,708.80
  6. Step 6: Final answer
    x = 21,800,237.75

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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.