Home / 21,985,915.16-32,963,419.92-9,684,040.16

Finding the Fourth Proportional to 21,985,915.16, 32,963,419.92 and 9,684,040.16

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Solution

The fourth proportional to 21,985,915.16, 32,963,419.92 and 9,684,040.16 is: 14,519,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,915.16 : 32,963,419.92 = 9,684,040.16 : x
  2. Step 2: Convert to fraction form
    21,985,915.16/32,963,419.92 = 9,684,040.16/x
  3. Step 3: Cross multiply
    21,985,915.16x = 32,963,419.92 × 9,684,040.16
  4. Step 4: Simplify right side
    21,985,915.16x = 319,219,082,316,224
  5. Step 5: Solve for x
    x = 319,219,082,316,224/21,985,915.16
  6. Step 6: Final answer
    x = 14,519,253.80

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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.