Home / 28,710,057.68-43,047,740.64-11,440,915.28

Finding the Fourth Proportional to 28,710,057.68, 43,047,740.64 and 11,440,915.28

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Solution

The fourth proportional to 28,710,057.68, 43,047,740.64 and 11,440,915.28 is: 17,154,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710,057.68 : 43,047,740.64 = 11,440,915.28 : x
  2. Step 2: Convert to fraction form
    28,710,057.68/43,047,740.64 = 11,440,915.28/x
  3. Step 3: Cross multiply
    28,710,057.68x = 43,047,740.64 × 11,440,915.28
  4. Step 4: Simplify right side
    28,710,057.68x = 492,505,553,657,652.94
  5. Step 5: Solve for x
    x = 492,505,553,657,652.94/28,710,057.68
  6. Step 6: Final answer
    x = 17,154,460.61

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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.