Home / 31,984,904.70-47,977,357.05-18,380,015.10

Finding the Fourth Proportional to 31,984,904.70, 47,977,357.05 and 18,380,015.10

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Solution

The fourth proportional to 31,984,904.70, 47,977,357.05 and 18,380,015.10 is: 27,570,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984,904.70 : 47,977,357.05 = 18,380,015.10 : x
  2. Step 2: Convert to fraction form
    31,984,904.70/47,977,357.05 = 18,380,015.10/x
  3. Step 3: Cross multiply
    31,984,904.70x = 47,977,357.05 × 18,380,015.10
  4. Step 4: Simplify right side
    31,984,904.70x = 881,824,547,037,091.50
  5. Step 5: Solve for x
    x = 881,824,547,037,091.50/31,984,904.70
  6. Step 6: Final answer
    x = 27,570,022.65

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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.