Home / 52,411,480.52-72,331,079.06-28,889,964.20

Finding the Fourth Proportional to 52,411,480.52, 72,331,079.06 and 28,889,964.20

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Solution

The fourth proportional to 52,411,480.52, 72,331,079.06 and 28,889,964.20 is: 39,869,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,411,480.52 : 72,331,079.06 = 28,889,964.20 : x
  2. Step 2: Convert to fraction form
    52,411,480.52/72,331,079.06 = 28,889,964.20/x
  3. Step 3: Cross multiply
    52,411,480.52x = 72,331,079.06 × 28,889,964.20
  4. Step 4: Simplify right side
    52,411,480.52x = 2,089,642,284,559,087.50
  5. Step 5: Solve for x
    x = 2,089,642,284,559,087.50/52,411,480.52
  6. Step 6: Final answer
    x = 39,869,934.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.