Home / 31,655,899.12-47,217,697.63-28,749,802.59

Finding the Fourth Proportional to 31,655,899.12, 47,217,697.63 and 28,749,802.59

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Solution

The fourth proportional to 31,655,899.12, 47,217,697.63 and 28,749,802.59 is: 42,882,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655,899.12 : 47,217,697.63 = 28,749,802.59 : x
  2. Step 2: Convert to fraction form
    31,655,899.12/47,217,697.63 = 28,749,802.59/x
  3. Step 3: Cross multiply
    31,655,899.12x = 47,217,697.63 × 28,749,802.59
  4. Step 4: Simplify right side
    31,655,899.12x = 1,357,499,485,616,811
  5. Step 5: Solve for x
    x = 1,357,499,485,616,811/31,655,899.12
  6. Step 6: Final answer
    x = 42,882,986.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.