Home / 38,523,915.04-53,162,989.93-21,119,886.59

Finding the Fourth Proportional to 38,523,915.04, 53,162,989.93 and 21,119,886.59

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Solution

The fourth proportional to 38,523,915.04, 53,162,989.93 and 21,119,886.59 is: 29,145,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523,915.04 : 53,162,989.93 = 21,119,886.59 : x
  2. Step 2: Convert to fraction form
    38,523,915.04/53,162,989.93 = 21,119,886.59/x
  3. Step 3: Cross multiply
    38,523,915.04x = 53,162,989.93 × 21,119,886.59
  4. Step 4: Simplify right side
    38,523,915.04x = 1,122,796,318,266,219.38
  5. Step 5: Solve for x
    x = 1,122,796,318,266,219.38/38,523,915.04
  6. Step 6: Final answer
    x = 29,145,436.47

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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.