Home / 31,819,069.36-47,709,070.37-12,365,580.66

Finding the Fourth Proportional to 31,819,069.36, 47,709,070.37 and 12,365,580.66

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Solution

The fourth proportional to 31,819,069.36, 47,709,070.37 and 12,365,580.66 is: 18,540,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819,069.36 : 47,709,070.37 = 12,365,580.66 : x
  2. Step 2: Convert to fraction form
    31,819,069.36/47,709,070.37 = 12,365,580.66/x
  3. Step 3: Cross multiply
    31,819,069.36x = 47,709,070.37 × 12,365,580.66
  4. Step 4: Simplify right side
    31,819,069.36x = 589,950,357,971,034
  5. Step 5: Solve for x
    x = 589,950,357,971,034/31,819,069.36
  6. Step 6: Final answer
    x = 18,540,779.78

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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.