Home / 25,603,946.64-38,365,470.99-20,788,106.76

Finding the Fourth Proportional to 25,603,946.64, 38,365,470.99 and 20,788,106.76

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Solution

The fourth proportional to 25,603,946.64, 38,365,470.99 and 20,788,106.76 is: 31,149,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603,946.64 : 38,365,470.99 = 20,788,106.76 : x
  2. Step 2: Convert to fraction form
    25,603,946.64/38,365,470.99 = 20,788,106.76/x
  3. Step 3: Cross multiply
    25,603,946.64x = 38,365,470.99 × 20,788,106.76
  4. Step 4: Simplify right side
    25,603,946.64x = 797,545,506,837,803
  5. Step 5: Solve for x
    x = 797,545,506,837,803/25,603,946.64
  6. Step 6: Final answer
    x = 31,149,319.21

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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.