Home / 47,312,559.81-65,292,182.78-27,747,559.40

Finding the Fourth Proportional to 47,312,559.81, 65,292,182.78 and 27,747,559.40

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Solution

The fourth proportional to 47,312,559.81, 65,292,182.78 and 27,747,559.40 is: 38,292,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,312,559.81 : 65,292,182.78 = 27,747,559.40 : x
  2. Step 2: Convert to fraction form
    47,312,559.81/65,292,182.78 = 27,747,559.40/x
  3. Step 3: Cross multiply
    47,312,559.81x = 65,292,182.78 × 27,747,559.40
  4. Step 4: Simplify right side
    47,312,559.81x = 1,811,698,719,578,508.25
  5. Step 5: Solve for x
    x = 1,811,698,719,578,508.25/47,312,559.81
  6. Step 6: Final answer
    x = 38,292,130.61

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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.