Home / 28,453,444.84-42,680,197.98-13,318,005.16

Finding the Fourth Proportional to 28,453,444.84, 42,680,197.98 and 13,318,005.16

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Solution

The fourth proportional to 28,453,444.84, 42,680,197.98 and 13,318,005.16 is: 19,977,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,444.84 : 42,680,197.98 = 13,318,005.16 : x
  2. Step 2: Convert to fraction form
    28,453,444.84/42,680,197.98 = 13,318,005.16/x
  3. Step 3: Cross multiply
    28,453,444.84x = 42,680,197.98 × 13,318,005.16
  4. Step 4: Simplify right side
    28,453,444.84x = 568,415,096,927,461.50
  5. Step 5: Solve for x
    x = 568,415,096,927,461.50/28,453,444.84
  6. Step 6: Final answer
    x = 19,977,022.12

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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.