Home / 21,608,915.42-32,413,428.48-8,829,420.10

Finding the Fourth Proportional to 21,608,915.42, 32,413,428.48 and 8,829,420.10

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Solution

The fourth proportional to 21,608,915.42, 32,413,428.48 and 8,829,420.10 is: 13,244,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608,915.42 : 32,413,428.48 = 8,829,420.10 : x
  2. Step 2: Convert to fraction form
    21,608,915.42/32,413,428.48 = 8,829,420.10/x
  3. Step 3: Cross multiply
    21,608,915.42x = 32,413,428.48 × 8,829,420.10
  4. Step 4: Simplify right side
    21,608,915.42x = 286,191,776,931,224.44
  5. Step 5: Solve for x
    x = 286,191,776,931,224.44/21,608,915.42
  6. Step 6: Final answer
    x = 13,244,152.77

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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.