Home / 13,698,477-18,903,666.60-7,586,774.28

Finding the Fourth Proportional to 13,698,477, 18,903,666.60 and 7,586,774.28

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Solution

The fourth proportional to 13,698,477, 18,903,666.60 and 7,586,774.28 is: 10,469,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,477 : 18,903,666.60 = 7,586,774.28 : x
  2. Step 2: Convert to fraction form
    13,698,477/18,903,666.60 = 7,586,774.28/x
  3. Step 3: Cross multiply
    13,698,477x = 18,903,666.60 × 7,586,774.28
  4. Step 4: Simplify right side
    13,698,477x = 143,417,851,558,575.06
  5. Step 5: Solve for x
    x = 143,417,851,558,575.06/13,698,477
  6. Step 6: Final answer
    x = 10,469,620.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.