Home / 51,746,915.12-71,411,079.64-28,542,668.72

Finding the Fourth Proportional to 51,746,915.12, 71,411,079.64 and 28,542,668.72

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Solution

The fourth proportional to 51,746,915.12, 71,411,079.64 and 28,542,668.72 is: 39,389,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,746,915.12 : 71,411,079.64 = 28,542,668.72 : x
  2. Step 2: Convert to fraction form
    51,746,915.12/71,411,079.64 = 28,542,668.72/x
  3. Step 3: Cross multiply
    51,746,915.12x = 71,411,079.64 × 28,542,668.72
  4. Step 4: Simplify right side
    51,746,915.12x = 2,038,262,789,102,056.75
  5. Step 5: Solve for x
    x = 2,038,262,789,102,056.75/51,746,915.12
  6. Step 6: Final answer
    x = 39,389,068.59

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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.