Home / 13,803,132.51-20,704,698.77-4,218,538.59

Finding the Fourth Proportional to 13,803,132.51, 20,704,698.77 and 4,218,538.59

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Solution

The fourth proportional to 13,803,132.51, 20,704,698.77 and 4,218,538.59 is: 6,327,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803,132.51 : 20,704,698.77 = 4,218,538.59 : x
  2. Step 2: Convert to fraction form
    13,803,132.51/20,704,698.77 = 4,218,538.59/x
  3. Step 3: Cross multiply
    13,803,132.51x = 20,704,698.77 × 4,218,538.59
  4. Step 4: Simplify right side
    13,803,132.51x = 87,343,570,734,477.84
  5. Step 5: Solve for x
    x = 87,343,570,734,477.84/13,803,132.51
  6. Step 6: Final answer
    x = 6,327,807.89

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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.