Home / 31,999,643.76-48,004,451.76-10,429,240.80

Finding the Fourth Proportional to 31,999,643.76, 48,004,451.76 and 10,429,240.80

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Solution

The fourth proportional to 31,999,643.76, 48,004,451.76 and 10,429,240.80 is: 15,645,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,999,643.76 : 48,004,451.76 = 10,429,240.80 : x
  2. Step 2: Convert to fraction form
    31,999,643.76/48,004,451.76 = 10,429,240.80/x
  3. Step 3: Cross multiply
    31,999,643.76x = 48,004,451.76 × 10,429,240.80
  4. Step 4: Simplify right side
    31,999,643.76x = 500,649,986,877,023.81
  5. Step 5: Solve for x
    x = 500,649,986,877,023.81/31,999,643.76
  6. Step 6: Final answer
    x = 15,645,486.26

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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.